CVE-2023-21659Network attack vector

Wireless service interruption via truncated frame parsing

Published Jun 6, 2023 · Updated Aug 2, 2024

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service via frames missing header fields. The firmware processes a frame without required header fields and reads beyond the valid buffer, producing a transient denial of service. No authentication or user interaction is required; the reported consequence is a temporary WLAN interruption, not data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service via frames missing header fields. The firmware processes a frame without required header fields and reads beyond the valid buffer, producing a transient denial of service. No authentication or user interaction is required; the reported consequence is a temporary WLAN interruption, not data disclosure or modification.

The record

CVE
CVE-2023-21659
Published
Jun 6, 2023
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-125, CWE-126, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=315 5G IoT Modem
  2. Affected versionversion=AQT1000
  3. Affected versionversion=AR8035
  4. Affected versionversion=AR9380
  5. Affected versionversion=CSR8811
  6. Affected versionversion=CSRA6620
  7. Affected versionversion=CSRA6640
  8. Affected versionversion=FastConnect 6200
  9. Affected versionversion=FastConnect 6700
  10. Affected versionversion=FastConnect 6800
  11. Affected versionversion=FastConnect 6900
  12. Affected versionversion=FastConnect 7800
  13. Affected versionversion=Flight RB5 5G Platform
  14. Affected versionversion=Immersive Home 214 Platform
  15. Affected versionversion=Immersive Home 216 Platform
  16. Affected versionversion=Immersive Home 316 Platform
  17. Affected versionversion=Immersive Home 318 Platform
  18. Affected versionversion=IPQ5010
  19. Affected versionversion=IPQ5028
  20. Affected versionversion=IPQ6000
  21. Affected versionversion=IPQ6010
  22. Affected versionversion=IPQ6018
  23. Affected versionversion=IPQ6028
  24. Affected versionversion=IPQ8064
  25. Affected versionversion=IPQ8065
  26. Affected versionversion=IPQ8068
  27. Affected versionversion=IPQ8070
  28. Affected versionversion=IPQ8070A
  29. Affected versionversion=IPQ8071A
  30. Affected versionversion=IPQ8072A
  31. Affected versionversion=IPQ8074A
  32. Affected versionversion=IPQ8076
  33. Affected versionversion=IPQ8076A
  34. Affected versionversion=IPQ8078
  35. Affected versionversion=IPQ8078A
  36. Affected versionversion=IPQ8173
  37. Affected versionversion=IPQ8174
  38. Affected versionversion=IPQ9008
  39. Affected versionversion=IPQ9574
  40. Affected versionversion=PMP8074
  41. Affected versionversion=QAM8255P
  42. Affected versionversion=QAM8295P
  43. Affected versionversion=QAM8650P
  44. Affected versionversion=QAM8775P
  45. Affected versionversion=QCA1062
  46. Affected versionversion=QCA1064
  47. Affected versionversion=QCA2062
  48. Affected versionversion=QCA2064
  49. Affected versionversion=QCA2065
  50. Affected versionversion=QCA2066
  51. Affected versionversion=QCA4024
  52. Affected versionversion=QCA6391
  53. Affected versionversion=QCA6420
  54. Affected versionversion=QCA6421
  55. Affected versionversion=QCA6426
  56. Affected versionversion=QCA6430
  57. Affected versionversion=QCA6431
  58. Affected versionversion=QCA6436
  59. Affected versionversion=QCA6554A
  60. Affected versionversion=QCA6564AU
  61. Affected versionversion=QCA6574
  62. Affected versionversion=QCA6574A
  63. Affected versionversion=QCA6574AU
  64. Affected versionversion=QCA6584AU
  65. Affected versionversion=QCA6595
  66. Affected versionversion=QCA6595AU
  67. Affected versionversion=QCA6678AQ
  68. Affected versionversion=QCA6696
  69. Affected versionversion=QCA6698AQ
  70. Affected versionversion=QCA6797AQ
  71. Affected versionversion=QCA8072
  72. Affected versionversion=QCA8075
  73. Affected versionversion=QCA8081
  74. Affected versionversion=QCA8082
  75. Affected versionversion=QCA8084
  76. Affected versionversion=QCA8085
  77. Affected versionversion=QCA8337
  78. Affected versionversion=QCA8386
  79. Affected versionversion=QCA9886
  80. Affected versionversion=QCA9888
  81. Affected versionversion=QCA9889
  82. Affected versionversion=QCA9980
  83. Affected versionversion=QCA9984
  84. Affected versionversion=QCA9985
  85. Affected versionversion=QCA9986
  86. Affected versionversion=QCA9990
  87. Affected versionversion=QCA9992
  88. Affected versionversion=QCA9994
  89. Affected versionversion=QCC2073
  90. Affected versionversion=QCC2076
  91. Affected versionversion=QCM2290
  92. Affected versionversion=QCM4290
  93. Affected versionversion=QCM4325
  94. Affected versionversion=QCM4490
  95. Affected versionversion=QCM6125
  96. Affected versionversion=QCM6490
  97. Affected versionversion=QCN5021
  98. Affected versionversion=QCN5022
  99. Affected versionversion=QCN5024
  100. Affected versionversion=QCN5052
  101. Affected versionversion=QCN5054
  102. Affected versionversion=QCN5122
  103. Affected versionversion=QCN5124
  104. Affected versionversion=QCN5152
  105. Affected versionversion=QCN5154
  106. Affected versionversion=QCN5164
  107. Affected versionversion=QCN6023
  108. Affected versionversion=QCN6024
  109. Affected versionversion=QCN6100
  110. Affected versionversion=QCN6102
  111. Affected versionversion=QCN6112
  112. Affected versionversion=QCN6122
  113. Affected versionversion=QCN6132
  114. Affected versionversion=QCN9000
  115. Affected versionversion=QCN9001
  116. Affected versionversion=QCN9002
  117. Affected versionversion=QCN9003
  118. Affected versionversion=QCN9011
  119. Affected versionversion=QCN9012
  120. Affected versionversion=QCN9022
  121. Affected versionversion=QCN9024
  122. Affected versionversion=QCN9070
  123. Affected versionversion=QCN9072
  124. Affected versionversion=QCN9074
  125. Affected versionversion=QCN9100
  126. Affected versionversion=QCN9274
  127. Affected versionversion=QCS2290
  128. Affected versionversion=QCS410
  129. Affected versionversion=QCS4290
  130. Affected versionversion=QCS4490
  131. Affected versionversion=QCS610
  132. Affected versionversion=QCS6125
  133. Affected versionversion=QCS6490
  134. Affected versionversion=QCS8250
  135. Affected versionversion=QCS8550
  136. Affected versionversion=QRB5165M
  137. Affected versionversion=QRB5165N
  138. Affected versionversion=QSM8250
  139. Affected versionversion=QSM8350
  140. Affected versionversion=Robotics RB5 Platform
  141. Affected versionversion=SA6145P
  142. Affected versionversion=SA6150P
  143. Affected versionversion=SA6155P
  144. Affected versionversion=SA8145P
  145. Affected versionversion=SA8150P
  146. Affected versionversion=SA8155
  147. Affected versionversion=SA8155P
  148. Affected versionversion=SA8195P
  149. Affected versionversion=SA8255P
  150. Affected versionversion=SA8295P
  151. Affected versionversion=SC8180X+SDX55
  152. Affected versionversion=SD460
  153. Affected versionversion=SD660
  154. Affected versionversion=SD662
  155. Affected versionversion=SD670
  156. Affected versionversion=SD675
  157. Affected versionversion=SD 675
  158. Affected versionversion=SD730
  159. Affected versionversion=SD855
  160. Affected versionversion=SD865 5G
  161. Affected versionversion=SD888
  162. Affected versionversion=SD 8CX
  163. Affected versionversion=SD 8 Gen1 5G
  164. Affected versionversion=SDM429W
  165. Affected versionversion=SDX55
  166. Affected versionversion=SG4150P
  167. Affected versionversion=SM4125
  168. Affected versionversion=SM4450
  169. Affected versionversion=SM6250
  170. Affected versionversion=SM6250P
  171. Affected versionversion=SM7250P
  172. Affected versionversion=SM7315
  173. Affected versionversion=SM7325P
  174. Affected versionversion=Smart Audio 400 Platform
  175. Affected versionversion=Snapdragon 429 Mobile Platform
  176. Affected versionversion=Snapdragon 460 Mobile Platform
  177. Affected versionversion=Snapdragon 480 5G Mobile Platform
  178. Affected versionversion=Snapdragon 480+ 5G Mobile Platform (SM4350-AC)
  179. Affected versionversion=Snapdragon 4 Gen 1 Mobile Platform
  180. Affected versionversion=Snapdragon 660 Mobile Platform
  181. Affected versionversion=Snapdragon 662 Mobile Platform
  182. Affected versionversion=Snapdragon 665 Mobile Platform
  183. Affected versionversion=Snapdragon 670 Mobile Platform
  184. Affected versionversion=Snapdragon 675 Mobile Platform
  185. Affected versionversion=Snapdragon 678 Mobile Platform (SM6150-AC)
  186. Affected versionversion=Snapdragon 680 4G Mobile Platform
  187. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  188. Affected versionversion=Snapdragon 690 5G Mobile Platform
  189. Affected versionversion=Snapdragon 695 5G Mobile Platform
  190. Affected versionversion=Snapdragon 710 Mobile Platform
  191. Affected versionversion=Snapdragon 712 Mobile Platform
  192. Affected versionversion=Snapdragon 720G Mobile Platform
  193. Affected versionversion=Snapdragon 730G Mobile Platform (SM7150-AB)
  194. Affected versionversion=Snapdragon 730 Mobile Platform (SM7150-AA)
  195. Affected versionversion=Snapdragon 732G Mobile Platform (SM7150-AC)
  196. Affected versionversion=Snapdragon 750G 5G Mobile Platform
  197. Affected versionversion=Snapdragon 765 5G Mobile Platform (SM7250-AA)
  198. Affected versionversion=Snapdragon 765G 5G Mobile Platform (SM7250-AB)
  199. Affected versionversion=Snapdragon 768G 5G Mobile Platform (SM7250-AC)
  200. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  201. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  202. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  203. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  204. Affected versionversion=Snapdragon 7c Compute Platform (SC7180-AC)
  205. Affected versionversion=Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro"
  206. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  207. Affected versionversion=Snapdragon 855+/860 Mobile Platform (SM8150-AC)
  208. Affected versionversion=Snapdragon 855 Mobile Platform
  209. Affected versionversion=Snapdragon 865 5G Mobile Platform
  210. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  211. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  212. Affected versionversion=Snapdragon 888 5G Mobile Platform
  213. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  214. Affected versionversion=Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"
  215. Affected versionversion=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
  216. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180X-AA, AB)
  217. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"
  218. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"
  219. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB)
  220. Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
  221. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  222. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  223. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  224. Affected versionversion=Snapdragon Auto 5G Modem-RF
  225. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  226. Affected versionversion=Snapdragon X50 5G Modem-RF System
  227. Affected versionversion=Snapdragon X55 5G Modem-RF System
  228. Affected versionversion=Snapdragon X65 5G Modem-RF System
  229. Affected versionversion=Snapdragon XR1 Platform
  230. Affected versionversion=Snapdragon XR2 5G Platform
  231. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  232. Affected versionversion=SSG2115P
  233. Affected versionversion=SSG2125P
  234. Affected versionversion=SW5100
  235. Affected versionversion=SW5100P
  236. Affected versionversion=SXR1120
  237. Affected versionversion=SXR1230P
  238. Affected versionversion=SXR2130
  239. Affected versionversion=SXR2230P
  240. Affected versionversion=Vision Intelligence 300 Platform
  241. Affected versionversion=Vision Intelligence 400 Platform
  242. Affected versionversion=WCD9326
  243. Affected versionversion=WCD9335
  244. Affected versionversion=WCD9340
  245. Affected versionversion=WCD9341
  246. Affected versionversion=WCD9370
  247. Affected versionversion=WCD9371
  248. Affected versionversion=WCD9375
  249. Affected versionversion=WCD9380
  250. Affected versionversion=WCD9385
  251. Affected versionversion=WCN3620
  252. Affected versionversion=WCN3660B
  253. Affected versionversion=WCN3910
  254. Affected versionversion=WCN3950
  255. Affected versionversion=WCN3980
  256. Affected versionversion=WCN3988
  257. Affected versionversion=WCN3990
  258. Affected versionversion=WCN6740
  259. Affected versionversion=WSA8810
  260. Affected versionversion=WSA8815
  261. Affected versionversion=WSA8830
  262. Affected versionversion=WSA8832
  263. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=315 5G IoT Modem; version=AQT1000; version=AR8035; version=AR9380; version=CSR8811; version=CSRA6620; version=CSRA6640; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=Immersive Home 214 Platform; version=Immersive Home 216 Platform; version=Immersive Home 316 Platform; version=Immersive Home 318 Platform; version=IPQ5010; version=IPQ5028; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8064; version=IPQ8065; version=IPQ8068; version=IPQ8070; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9574; version=PMP8074; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QCA1062; version=QCA1064; version=QCA2062; version=QCA2064; version=QCA2065; version=QCA2066; version=QCA4024; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8072; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9886; version=QCA9888; version=QCA9889; version=QCA9980; version=QCA9984; version=QCA9985; version=QCA9986; version=QCA9990; version=QCA9992; version=QCA9994; version=QCC2073; version=QCC2076; version=QCM2290; version=QCM4290; version=QCM4325; version=QCM4490; version=QCM6125; version=QCM6490; version=QCN5021; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5054; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6100; version=QCN6102; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN9000; version=QCN9001; version=QCN9002; version=QCN9003; version=QCN9011; version=QCN9012; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS2290; version=QCS410; version=QCS4290; version=QCS4490; version=QCS610; version=QCS6125; version=QCS6490; version=QCS8250; version=QCS8550; version=QRB5165M; version=QRB5165N; version=QSM8250; version=QSM8350; version=Robotics RB5 Platform; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SC8180X+SDX55; version=SD460; version=SD660; version=SD662; version=SD670; version=SD675; version=SD 675; version=SD730; version=SD855; version=SD865 5G; version=SD888; version=SD 8CX; version=SD 8 Gen1 5G; version=SDM429W; version=SDX55; version=SG4150P; version=SM4125; version=SM4450; version=SM6250; version=SM6250P; version=SM7250P; version=SM7315; version=SM7325P; version=Smart Audio 400 Platform; version=Snapdragon 429 Mobile Platform; version=Snapdragon 460 Mobile Platform; version=Snapdragon 480 5G Mobile Platform; version=Snapdragon 480+ 5G Mobile Platform (SM4350-AC); version=Snapdragon 4 Gen 1 Mobile Platform; version=Snapdragon 660 Mobile Platform; version=Snapdragon 662 Mobile Platform; version=Snapdragon 665 Mobile Platform; version=Snapdragon 670 Mobile Platform; version=Snapdragon 675 Mobile Platform; version=Snapdragon 678 Mobile Platform (SM6150-AC); version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 690 5G Mobile Platform; version=Snapdragon 695 5G Mobile Platform; version=Snapdragon 710 Mobile Platform; version=Snapdragon 712 Mobile Platform; version=Snapdragon 720G Mobile Platform; version=Snapdragon 730G Mobile Platform (SM7150-AB); version=Snapdragon 730 Mobile Platform (SM7150-AA); version=Snapdragon 732G Mobile Platform (SM7150-AC); version=Snapdragon 750G 5G Mobile Platform; version=Snapdragon 765 5G Mobile Platform (SM7250-AA); version=Snapdragon 765G 5G Mobile Platform (SM7250-AB); version=Snapdragon 768G 5G Mobile Platform (SM7250-AC); version=Snapdragon 778G 5G Mobile Platform; version=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE); version=Snapdragon 780G 5G Mobile Platform; version=Snapdragon 782G Mobile Platform (SM7325-AF); version=Snapdragon 7c Compute Platform (SC7180-AC); version=Snapdragon 7c Gen 2 Compute Platform (SC7180-AD) "Rennell Pro"; version=Snapdragon 7c+ Gen 3 Compute; version=Snapdragon 855+/860 Mobile Platform (SM8150-AC); version=Snapdragon 855 Mobile Platform; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform (SM8250-AB); version=Snapdragon 870 5G Mobile Platform (SM8250-AC); version=Snapdragon 888 5G Mobile Platform; version=Snapdragon 888+ 5G Mobile Platform (SM8350-AC); version=Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"; version=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"; version=Snapdragon 8cx Compute Platform (SC8180X-AA, AB); version=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"; version=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB); version=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X50 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon XR1 Platform; version=Snapdragon XR2 5G Platform; version=Snapdragon XR2+ Gen 1 Platform; version=SSG2115P; version=SSG2125P; version=SW5100; version=SW5100P; version=SXR1120; version=SXR1230P; version=SXR2130; version=SXR2230P; version=Vision Intelligence 300 Platform; version=Vision Intelligence 400 Platform; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3620; version=WCN3660B; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835

Published CVSS scores

7.5Qualcomm, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
CWE-126Buffer Over-read
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

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