CVE-2023-33089Network attack vector

Wireless service interruption via NULL buffer dereference

Published Dec 5, 2023 · Updated Aug 2, 2024

NULL pointer dereference in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service through vdev parsing. The firmware parser processes a WLAN virtual-device structure containing a NULL buffer and dereferences it, causing a transient denial of service. No authentication or user interaction is required, but the consequence is limited to temporary WLAN-firmware unavailability.

CVSS severity7.5
High
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service through vdev parsing. The firmware parser processes a WLAN virtual-device structure containing a NULL buffer and dereferences it, causing a transient denial of service. No authentication or user interaction is required, but the consequence is limited to temporary WLAN-firmware unavailability.

The record

CVE
CVE-2023-33089
Published
Dec 5, 2023
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-476, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 5, 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=CSRB31024
  7. Affected versionversion=FastConnect 6200
  8. Affected versionversion=FastConnect 6700
  9. Affected versionversion=FastConnect 6800
  10. Affected versionversion=FastConnect 6900
  11. Affected versionversion=FastConnect 7800
  12. Affected versionversion=Flight RB5 5G Platform
  13. Affected versionversion=Immersive Home 214 Platform
  14. Affected versionversion=Immersive Home 216 Platform
  15. Affected versionversion=Immersive Home 316 Platform
  16. Affected versionversion=Immersive Home 318 Platform
  17. Affected versionversion=Immersive Home 3210 Platform
  18. Affected versionversion=Immersive Home 326 Platform
  19. Affected versionversion=IPQ5010
  20. Affected versionversion=IPQ5028
  21. Affected versionversion=IPQ5332
  22. Affected versionversion=IPQ6000
  23. Affected versionversion=IPQ6010
  24. Affected versionversion=IPQ6018
  25. Affected versionversion=IPQ6028
  26. Affected versionversion=IPQ8064
  27. Affected versionversion=IPQ8065
  28. Affected versionversion=IPQ8068
  29. Affected versionversion=IPQ8070
  30. Affected versionversion=IPQ8070A
  31. Affected versionversion=IPQ8071A
  32. Affected versionversion=IPQ8072A
  33. Affected versionversion=IPQ8074A
  34. Affected versionversion=IPQ8076
  35. Affected versionversion=IPQ8076A
  36. Affected versionversion=IPQ8078
  37. Affected versionversion=IPQ8078A
  38. Affected versionversion=IPQ8173
  39. Affected versionversion=IPQ8174
  40. Affected versionversion=IPQ9008
  41. Affected versionversion=IPQ9554
  42. Affected versionversion=IPQ9570
  43. Affected versionversion=IPQ9574
  44. Affected versionversion=PMP8074
  45. Affected versionversion=QAM8255P
  46. Affected versionversion=QAM8295P
  47. Affected versionversion=QAM8650P
  48. Affected versionversion=QAM8775P
  49. Affected versionversion=QCA0000
  50. Affected versionversion=QCA1062
  51. Affected versionversion=QCA1064
  52. Affected versionversion=QCA2062
  53. Affected versionversion=QCA2064
  54. Affected versionversion=QCA2065
  55. Affected versionversion=QCA2066
  56. Affected versionversion=QCA4024
  57. Affected versionversion=QCA6391
  58. Affected versionversion=QCA6420
  59. Affected versionversion=QCA6421
  60. Affected versionversion=QCA6426
  61. Affected versionversion=QCA6430
  62. Affected versionversion=QCA6431
  63. Affected versionversion=QCA6436
  64. Affected versionversion=QCA6554A
  65. Affected versionversion=QCA6564AU
  66. Affected versionversion=QCA6574
  67. Affected versionversion=QCA6574A
  68. Affected versionversion=QCA6574AU
  69. Affected versionversion=QCA6584AU
  70. Affected versionversion=QCA6595
  71. Affected versionversion=QCA6595AU
  72. Affected versionversion=QCA6678AQ
  73. Affected versionversion=QCA6696
  74. Affected versionversion=QCA6698AQ
  75. Affected versionversion=QCA6797AQ
  76. Affected versionversion=QCA8072
  77. Affected versionversion=QCA8075
  78. Affected versionversion=QCA8081
  79. Affected versionversion=QCA8082
  80. Affected versionversion=QCA8084
  81. Affected versionversion=QCA8085
  82. Affected versionversion=QCA8337
  83. Affected versionversion=QCA8386
  84. Affected versionversion=QCA9886
  85. Affected versionversion=QCA9888
  86. Affected versionversion=QCA9889
  87. Affected versionversion=QCA9980
  88. Affected versionversion=QCA9984
  89. Affected versionversion=QCA9985
  90. Affected versionversion=QCA9986
  91. Affected versionversion=QCA9990
  92. Affected versionversion=QCA9992
  93. Affected versionversion=QCA9994
  94. Affected versionversion=QCC2073
  95. Affected versionversion=QCC2076
  96. Affected versionversion=QCC710
  97. Affected versionversion=QCF8000
  98. Affected versionversion=QCF8001
  99. Affected versionversion=QCM4490
  100. Affected versionversion=QCM5430
  101. Affected versionversion=QCM6490
  102. Affected versionversion=QCM8550
  103. Affected versionversion=QCN5021
  104. Affected versionversion=QCN5022
  105. Affected versionversion=QCN5024
  106. Affected versionversion=QCN5052
  107. Affected versionversion=QCN5054
  108. Affected versionversion=QCN5122
  109. Affected versionversion=QCN5124
  110. Affected versionversion=QCN5152
  111. Affected versionversion=QCN5154
  112. Affected versionversion=QCN5164
  113. Affected versionversion=QCN6023
  114. Affected versionversion=QCN6024
  115. Affected versionversion=QCN6100
  116. Affected versionversion=QCN6102
  117. Affected versionversion=QCN6112
  118. Affected versionversion=QCN6122
  119. Affected versionversion=QCN6132
  120. Affected versionversion=QCN6224
  121. Affected versionversion=QCN6274
  122. Affected versionversion=QCN9000
  123. Affected versionversion=QCN9001
  124. Affected versionversion=QCN9002
  125. Affected versionversion=QCN9003
  126. Affected versionversion=QCN9011
  127. Affected versionversion=QCN9012
  128. Affected versionversion=QCN9013
  129. Affected versionversion=QCN9022
  130. Affected versionversion=QCN9024
  131. Affected versionversion=QCN9070
  132. Affected versionversion=QCN9072
  133. Affected versionversion=QCN9074
  134. Affected versionversion=QCN9100
  135. Affected versionversion=QCN9274
  136. Affected versionversion=QCS4490
  137. Affected versionversion=QCS5430
  138. Affected versionversion=QCS6490
  139. Affected versionversion=QCS8550
  140. Affected versionversion=QFW7114
  141. Affected versionversion=QFW7124
  142. Affected versionversion=QRB5165M
  143. Affected versionversion=QRB5165N
  144. Affected versionversion=QSM8250
  145. Affected versionversion=QSM8350
  146. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  147. Affected versionversion=Robotics RB5 Platform
  148. Affected versionversion=SA4150P
  149. Affected versionversion=SA6145P
  150. Affected versionversion=SA6150P
  151. Affected versionversion=SA6155
  152. Affected versionversion=SA6155P
  153. Affected versionversion=SA8145P
  154. Affected versionversion=SA8150P
  155. Affected versionversion=SA8155
  156. Affected versionversion=SA8155P
  157. Affected versionversion=SA8195P
  158. Affected versionversion=SA8255P
  159. Affected versionversion=SA8295P
  160. Affected versionversion=SA8770P
  161. Affected versionversion=SA8775P
  162. Affected versionversion=SA9000P
  163. Affected versionversion=SC8180X+SDX55
  164. Affected versionversion=SC8380XP
  165. Affected versionversion=SD865 5G
  166. Affected versionversion=SD888
  167. Affected versionversion=SD 8 Gen1 5G
  168. Affected versionversion=SDX55
  169. Affected versionversion=SDX65M
  170. Affected versionversion=SG8275P
  171. Affected versionversion=SM7315
  172. Affected versionversion=SM7325P
  173. Affected versionversion=SM8550P
  174. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  175. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  176. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  177. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  178. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  179. Affected versionversion=Snapdragon 865 5G Mobile Platform
  180. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  181. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  182. Affected versionversion=Snapdragon 888 5G Mobile Platform
  183. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  184. Affected versionversion=Snapdragon 8c Compute Platform (SC8180X-AD) "Poipu Lite"
  185. Affected versionversion=Snapdragon 8c Compute Platform (SC8180XP-AD) "Poipu Lite"
  186. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180X-AA, AB)
  187. Affected versionversion=Snapdragon 8cx Compute Platform (SC8180XP-AC, AF) "Poipu Pro"
  188. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180X-AC, AF) "Poipu Pro"
  189. Affected versionversion=Snapdragon 8cx Gen 2 5G Compute Platform (SC8180XP-AA, AB)
  190. Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
  191. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  192. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  193. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  194. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  195. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  196. Affected versionversion=Snapdragon Auto 4G Modem
  197. Affected versionversion=Snapdragon Auto 5G Modem-RF
  198. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  199. Affected versionversion=Snapdragon X55 5G Modem-RF System
  200. Affected versionversion=Snapdragon X65 5G Modem-RF System
  201. Affected versionversion=Snapdragon X75 5G Modem-RF System
  202. Affected versionversion=Snapdragon XR2 5G Platform
  203. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  204. Affected versionversion=SSG2115P
  205. Affected versionversion=SSG2125P
  206. Affected versionversion=SXR1230P
  207. Affected versionversion=SXR2130
  208. Affected versionversion=SXR2230P
  209. Affected versionversion=WCD9340
  210. Affected versionversion=WCD9341
  211. Affected versionversion=WCD9360
  212. Affected versionversion=WCD9370
  213. Affected versionversion=WCD9375
  214. Affected versionversion=WCD9380
  215. Affected versionversion=WCD9385
  216. Affected versionversion=WCD9390
  217. Affected versionversion=WCD9395
  218. Affected versionversion=WCN3950
  219. Affected versionversion=WCN3980
  220. Affected versionversion=WCN6740
  221. Affected versionversion=WSA8810
  222. Affected versionversion=WSA8815
  223. Affected versionversion=WSA8830
  224. Affected versionversion=WSA8832
  225. Affected versionversion=WSA8835
  226. Affected versionversion=WSA8840
  227. Affected versionversion=WSA8845
  228. Affected versionversion=WSA8845H

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=CSRB31024; 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=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5010; version=IPQ5028; version=IPQ5332; 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=IPQ9554; version=IPQ9570; version=IPQ9574; version=PMP8074; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QCA0000; 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=QCC710; version=QCF8000; version=QCF8001; version=QCM4490; version=QCM5430; version=QCM6490; version=QCM8550; 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=QCN6224; version=QCN6274; version=QCN9000; version=QCN9001; version=QCN9002; version=QCN9003; version=QCN9011; version=QCN9012; version=QCN9013; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS4490; version=QCS5430; version=QCS6490; version=QCS8550; version=QFW7114; version=QFW7124; version=QRB5165M; version=QRB5165N; version=QSM8250; version=QSM8350; version=Qualcomm Video Collaboration VC3 Platform; version=Robotics RB5 Platform; version=SA4150P; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8770P; version=SA8775P; version=SA9000P; version=SC8180X+SDX55; version=SC8380XP; version=SD865 5G; version=SD888; version=SD 8 Gen1 5G; version=SDX55; version=SDX65M; version=SG8275P; version=SM7315; version=SM7325P; version=SM8550P; 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+ Gen 3 Compute; 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 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon Auto 4G Modem; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=Snapdragon XR2+ Gen 1 Platform; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2130; version=SXR2230P; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN3980; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

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-476NULL Pointer Dereference
T1499Endpoint Denial of Service

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

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Your stack

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