CVE-2025-21446Network attack vector

Transient denial of service via BTM frame over-read

Published Jul 8, 2025 · Updated Jul 8, 2025

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt wireless service via crafted BTM request frames. The WLAN BTM-request parser reads past the available vendor-specific information-element buffer while processing a received frame. An unauthenticated attacker within WLAN radio range can trigger a transient firmware denial of service; no data disclosure or modification is reported.

CVSS severity7.5
High
EPSS probability0.20%
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 crafted BTM request frames. The WLAN BTM-request parser reads past the available vendor-specific information-element buffer while processing a received frame. An unauthenticated attacker within WLAN radio range can trigger a transient firmware denial of service; no data disclosure or modification is reported.

The record

CVE
CVE-2025-21446
Published
Jul 8, 2025
Updated
Jul 8, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-125, CWE-126, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 8, 2025Record 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=AR8035
  2. Affected versionversion=AR9380
  3. Affected versionversion=CSR8811
  4. Affected versionversion=FastConnect 6700
  5. Affected versionversion=FastConnect 6800
  6. Affected versionversion=FastConnect 6900
  7. Affected versionversion=FastConnect 7800
  8. Affected versionversion=Immersive Home 214 Platform
  9. Affected versionversion=Immersive Home 216 Platform
  10. Affected versionversion=Immersive Home 316 Platform
  11. Affected versionversion=Immersive Home 318 Platform
  12. Affected versionversion=IPQ5010
  13. Affected versionversion=IPQ5028
  14. Affected versionversion=IPQ5332
  15. Affected versionversion=IPQ6000
  16. Affected versionversion=IPQ6010
  17. Affected versionversion=IPQ6018
  18. Affected versionversion=IPQ6028
  19. Affected versionversion=IPQ8064
  20. Affected versionversion=IPQ8065
  21. Affected versionversion=IPQ8068
  22. Affected versionversion=IPQ8070A
  23. Affected versionversion=IPQ8071A
  24. Affected versionversion=IPQ8072A
  25. Affected versionversion=IPQ8074A
  26. Affected versionversion=IPQ8076
  27. Affected versionversion=IPQ8076A
  28. Affected versionversion=IPQ8078
  29. Affected versionversion=IPQ8078A
  30. Affected versionversion=IPQ8173
  31. Affected versionversion=IPQ8174
  32. Affected versionversion=IPQ9008
  33. Affected versionversion=IPQ9048
  34. Affected versionversion=IPQ9554
  35. Affected versionversion=IPQ9570
  36. Affected versionversion=IPQ9574
  37. Affected versionversion=QAM8255P
  38. Affected versionversion=QAM8295P
  39. Affected versionversion=QAM8620P
  40. Affected versionversion=QAM8650P
  41. Affected versionversion=QAM8775P
  42. Affected versionversion=QAMSRV1H
  43. Affected versionversion=QAMSRV1M
  44. Affected versionversion=QCA0000
  45. Affected versionversion=QCA2062
  46. Affected versionversion=QCA2064
  47. Affected versionversion=QCA2065
  48. Affected versionversion=QCA2066
  49. Affected versionversion=QCA4024
  50. Affected versionversion=QCA6174A
  51. Affected versionversion=QCA6391
  52. Affected versionversion=QCA6421
  53. Affected versionversion=QCA6426
  54. Affected versionversion=QCA6431
  55. Affected versionversion=QCA6436
  56. Affected versionversion=QCA6554A
  57. Affected versionversion=QCA6564AU
  58. Affected versionversion=QCA6574
  59. Affected versionversion=QCA6574A
  60. Affected versionversion=QCA6574AU
  61. Affected versionversion=QCA6584AU
  62. Affected versionversion=QCA6595
  63. Affected versionversion=QCA6595AU
  64. Affected versionversion=QCA6678AQ
  65. Affected versionversion=QCA6688AQ
  66. Affected versionversion=QCA6696
  67. Affected versionversion=QCA6698AQ
  68. Affected versionversion=QCA6698AU
  69. Affected versionversion=QCA6777AQ
  70. Affected versionversion=QCA6787AQ
  71. Affected versionversion=QCA6797AQ
  72. Affected versionversion=QCA8072
  73. Affected versionversion=QCA8075
  74. Affected versionversion=QCA8081
  75. Affected versionversion=QCA8082
  76. Affected versionversion=QCA8084
  77. Affected versionversion=QCA8085
  78. Affected versionversion=QCA8337
  79. Affected versionversion=QCA8386
  80. Affected versionversion=QCA9886
  81. Affected versionversion=QCA9888
  82. Affected versionversion=QCA9889
  83. Affected versionversion=QCA9980
  84. Affected versionversion=QCA9984
  85. Affected versionversion=QCA9985
  86. Affected versionversion=QCA9986
  87. Affected versionversion=QCA9990
  88. Affected versionversion=QCA9992
  89. Affected versionversion=QCA9994
  90. Affected versionversion=QCC2073
  91. Affected versionversion=QCC2076
  92. Affected versionversion=QCC710
  93. Affected versionversion=QCF8000
  94. Affected versionversion=QCF8001
  95. Affected versionversion=QCM4490
  96. Affected versionversion=QCM5430
  97. Affected versionversion=QCM6490
  98. Affected versionversion=QCM8550
  99. Affected versionversion=QCN5022
  100. Affected versionversion=QCN5024
  101. Affected versionversion=QCN5052
  102. Affected versionversion=QCN5054
  103. Affected versionversion=QCN5122
  104. Affected versionversion=QCN5124
  105. Affected versionversion=QCN5152
  106. Affected versionversion=QCN5154
  107. Affected versionversion=QCN5164
  108. Affected versionversion=QCN6023
  109. Affected versionversion=QCN6024
  110. Affected versionversion=QCN6100
  111. Affected versionversion=QCN6102
  112. Affected versionversion=QCN6112
  113. Affected versionversion=QCN6122
  114. Affected versionversion=QCN6132
  115. Affected versionversion=QCN6224
  116. Affected versionversion=QCN6274
  117. Affected versionversion=QCN9000
  118. Affected versionversion=QCN9001
  119. Affected versionversion=QCN9002
  120. Affected versionversion=QCN9003
  121. Affected versionversion=QCN9011
  122. Affected versionversion=QCN9012
  123. Affected versionversion=QCN9022
  124. Affected versionversion=QCN9024
  125. Affected versionversion=QCN9070
  126. Affected versionversion=QCN9072
  127. Affected versionversion=QCN9074
  128. Affected versionversion=QCN9100
  129. Affected versionversion=QCN9274
  130. Affected versionversion=QCS4490
  131. Affected versionversion=QCS5430
  132. Affected versionversion=QCS615
  133. Affected versionversion=QCS6490
  134. Affected versionversion=QCS8300
  135. Affected versionversion=QCS8550
  136. Affected versionversion=QCS9100
  137. Affected versionversion=QEP8111
  138. Affected versionversion=QFW7114
  139. Affected versionversion=QFW7124
  140. Affected versionversion=QMP1000
  141. Affected versionversion=QSM8350
  142. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  143. Affected versionversion=SA6155P
  144. Affected versionversion=SA7255P
  145. Affected versionversion=SA7775P
  146. Affected versionversion=SA8155P
  147. Affected versionversion=SA8195P
  148. Affected versionversion=SA8255P
  149. Affected versionversion=SA8295P
  150. Affected versionversion=SA8620P
  151. Affected versionversion=SA8650P
  152. Affected versionversion=SA8770P
  153. Affected versionversion=SA8775P
  154. Affected versionversion=SA9000P
  155. Affected versionversion=SC8380XP
  156. Affected versionversion=SD865 5G
  157. Affected versionversion=SD888
  158. Affected versionversion=SD 8 Gen1 5G
  159. Affected versionversion=SDX55
  160. Affected versionversion=SDX61
  161. Affected versionversion=SG8275P
  162. Affected versionversion=SM6650
  163. Affected versionversion=SM6650P
  164. Affected versionversion=SM7315
  165. Affected versionversion=SM7325P
  166. Affected versionversion=SM7635
  167. Affected versionversion=SM7635P
  168. Affected versionversion=SM7675
  169. Affected versionversion=SM7675P
  170. Affected versionversion=SM8550P
  171. Affected versionversion=SM8635
  172. Affected versionversion=SM8635P
  173. Affected versionversion=SM8650Q
  174. Affected versionversion=SM8735
  175. Affected versionversion=SM8750
  176. Affected versionversion=SM8750P
  177. Affected versionversion=Snapdragon 778G 5G Mobile Platform
  178. Affected versionversion=Snapdragon 778G+ 5G Mobile Platform (SM7325-AE)
  179. Affected versionversion=Snapdragon 780G 5G Mobile Platform
  180. Affected versionversion=Snapdragon 782G Mobile Platform (SM7325-AF)
  181. Affected versionversion=Snapdragon 7c+ Gen 3 Compute
  182. Affected versionversion=Snapdragon 865 5G Mobile Platform
  183. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  184. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  185. Affected versionversion=Snapdragon 888 5G Mobile Platform
  186. Affected versionversion=Snapdragon 888+ 5G Mobile Platform (SM8350-AC)
  187. Affected versionversion=Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB)
  188. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  189. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  190. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  191. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  192. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  193. Affected versionversion=Snapdragon AR1 Gen 1 Platform
  194. Affected versionversion=Snapdragon AR1 Gen 1 Platform "Luna1"
  195. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  196. Affected versionversion=Snapdragon Auto 5G Modem-RF
  197. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  198. Affected versionversion=Snapdragon X32 5G Modem-RF System
  199. Affected versionversion=Snapdragon X35 5G Modem-RF System
  200. Affected versionversion=Snapdragon X55 5G Modem-RF System
  201. Affected versionversion=Snapdragon X62 5G Modem-RF System
  202. Affected versionversion=Snapdragon X65 5G Modem-RF System
  203. Affected versionversion=Snapdragon X72 5G Modem-RF System
  204. Affected versionversion=Snapdragon X75 5G Modem-RF System
  205. Affected versionversion=Snapdragon XR2 5G Platform
  206. Affected versionversion=SRV1H
  207. Affected versionversion=SRV1L
  208. Affected versionversion=SRV1M
  209. Affected versionversion=SSG2115P
  210. Affected versionversion=SSG2125P
  211. Affected versionversion=SXR1230P
  212. Affected versionversion=SXR2130
  213. Affected versionversion=SXR2230P
  214. Affected versionversion=SXR2250P
  215. Affected versionversion=SXR2330P
  216. Affected versionversion=WCD9340
  217. Affected versionversion=WCD9370
  218. Affected versionversion=WCD9375
  219. Affected versionversion=WCD9378
  220. Affected versionversion=WCD9380
  221. Affected versionversion=WCD9385
  222. Affected versionversion=WCD9390
  223. Affected versionversion=WCD9395
  224. Affected versionversion=WCN3950
  225. Affected versionversion=WCN6450
  226. Affected versionversion=WCN6650
  227. Affected versionversion=WCN6740
  228. Affected versionversion=WCN6755
  229. Affected versionversion=WCN7750
  230. Affected versionversion=WCN7860
  231. Affected versionversion=WCN7861
  232. Affected versionversion=WCN7880
  233. Affected versionversion=WCN7881
  234. Affected versionversion=WSA8810
  235. Affected versionversion=WSA8815
  236. Affected versionversion=WSA8830
  237. Affected versionversion=WSA8832
  238. Affected versionversion=WSA8835
  239. Affected versionversion=WSA8840
  240. Affected versionversion=WSA8845
  241. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=AR9380; version=CSR8811; version=FastConnect 6700; version=FastConnect 6800; version=FastConnect 6900; version=FastConnect 7800; 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=IPQ5332; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8064; version=IPQ8065; version=IPQ8068; version=IPQ8070A; version=IPQ8071A; version=IPQ8072A; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9048; version=IPQ9554; version=IPQ9570; version=IPQ9574; version=QAM8255P; version=QAM8295P; version=QAM8620P; version=QAM8650P; version=QAM8775P; version=QAMSRV1H; version=QAMSRV1M; version=QCA0000; version=QCA2062; version=QCA2064; version=QCA2065; version=QCA2066; version=QCA4024; version=QCA6174A; version=QCA6391; version=QCA6421; version=QCA6426; version=QCA6431; version=QCA6436; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6688AQ; version=QCA6696; version=QCA6698AQ; version=QCA6698AU; version=QCA6777AQ; version=QCA6787AQ; 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=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=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS4490; version=QCS5430; version=QCS615; version=QCS6490; version=QCS8300; version=QCS8550; version=QCS9100; version=QEP8111; version=QFW7114; version=QFW7124; version=QMP1000; version=QSM8350; version=Qualcomm Video Collaboration VC3 Platform; version=SA6155P; version=SA7255P; version=SA7775P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8620P; version=SA8650P; version=SA8770P; version=SA8775P; version=SA9000P; version=SC8380XP; version=SD865 5G; version=SD888; version=SD 8 Gen1 5G; version=SDX55; version=SDX61; version=SG8275P; version=SM6650; version=SM6650P; version=SM7315; version=SM7325P; version=SM7635; version=SM7635P; version=SM7675; version=SM7675P; version=SM8550P; version=SM8635; version=SM8635P; version=SM8650Q; version=SM8735; version=SM8750; version=SM8750P; 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 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 8 Gen 3 Mobile Platform; version=Snapdragon AR1 Gen 1 Platform; version=Snapdragon AR1 Gen 1 Platform "Luna1"; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon X32 5G Modem-RF System; version=Snapdragon X35 5G Modem-RF System; version=Snapdragon X55 5G Modem-RF System; version=Snapdragon X62 5G Modem-RF System; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X72 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=Snapdragon XR2 5G Platform; version=SRV1H; version=SRV1L; version=SRV1M; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2130; version=SXR2230P; version=SXR2250P; version=SXR2330P; version=WCD9340; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN6450; version=WCN6650; version=WCN6740; version=WCN6755; version=WCN7750; version=WCN7860; version=WCN7861; version=WCN7880; version=WCN7881; 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-125Out-of-bounds Read
CWE-126Buffer Over-read
T1499.004Endpoint Denial of Service: Application 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

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Your stack

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