CVE-2022-40514Network attack vector

Memory corruption via unchecked CCKM element copy

Published Feb 9, 2023 · Updated Aug 3, 2024

Buffer overflow in Qualcomm Snapdragon WLAN firmware allows remote attackers to corrupt memory through a crafted reassociation response. The firmware copies the CCKM information element from the response without validating its length against the destination buffer. The device must process the malicious frame during WLAN reassociation; no authentication or user interaction is required.

CVSS severity9.8
Critical
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

Buffer overflow in Qualcomm Snapdragon WLAN firmware allows remote attackers to corrupt memory through a crafted reassociation response. The firmware copies the CCKM information element from the response without validating its length against the destination buffer. The device must process the malicious frame during WLAN reassociation; no authentication or user interaction is required.

The record

CVE
CVE-2022-40514
Published
Feb 9, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=AQT1000
  2. Affected versionversion=AR8031
  3. Affected versionversion=AR8035
  4. Affected versionversion=AR9380
  5. Affected versionversion=CSR8811
  6. Affected versionversion=CSRA6620
  7. Affected versionversion=CSRA6640
  8. Affected versionversion=CSRB31024
  9. Affected versionversion=IPQ5010
  10. Affected versionversion=IPQ5018
  11. Affected versionversion=IPQ5028
  12. Affected versionversion=IPQ6000
  13. Affected versionversion=IPQ6010
  14. Affected versionversion=IPQ6018
  15. Affected versionversion=IPQ6028
  16. Affected versionversion=IPQ8064
  17. Affected versionversion=IPQ8065
  18. Affected versionversion=IPQ8068
  19. Affected versionversion=IPQ8070A
  20. Affected versionversion=IPQ8071A
  21. Affected versionversion=IPQ8072A
  22. Affected versionversion=IPQ8074A
  23. Affected versionversion=IPQ8076
  24. Affected versionversion=IPQ8076A
  25. Affected versionversion=IPQ8078
  26. Affected versionversion=IPQ8078A
  27. Affected versionversion=IPQ8173
  28. Affected versionversion=IPQ8174
  29. Affected versionversion=IPQ9574
  30. Affected versionversion=QAM8295P
  31. Affected versionversion=QCA1062
  32. Affected versionversion=QCA1064
  33. Affected versionversion=QCA2062
  34. Affected versionversion=QCA2064
  35. Affected versionversion=QCA2065
  36. Affected versionversion=QCA2066
  37. Affected versionversion=QCA4024
  38. Affected versionversion=QCA6310
  39. Affected versionversion=QCA6320
  40. Affected versionversion=QCA6335
  41. Affected versionversion=QCA6390
  42. Affected versionversion=QCA6391
  43. Affected versionversion=QCA6420
  44. Affected versionversion=QCA6421
  45. Affected versionversion=QCA6426
  46. Affected versionversion=QCA6430
  47. Affected versionversion=QCA6431
  48. Affected versionversion=QCA6436
  49. Affected versionversion=QCA6554A
  50. Affected versionversion=QCA6564A
  51. Affected versionversion=QCA6564AU
  52. Affected versionversion=QCA6574
  53. Affected versionversion=QCA6574A
  54. Affected versionversion=QCA6574AU
  55. Affected versionversion=QCA6584AU
  56. Affected versionversion=QCA6595
  57. Affected versionversion=QCA6595AU
  58. Affected versionversion=QCA6678AQ
  59. Affected versionversion=QCA6696
  60. Affected versionversion=QCA6698AQ
  61. Affected versionversion=QCA8072
  62. Affected versionversion=QCA8075
  63. Affected versionversion=QCA8081
  64. Affected versionversion=QCA8082
  65. Affected versionversion=QCA8084
  66. Affected versionversion=QCA8085
  67. Affected versionversion=QCA8337
  68. Affected versionversion=QCA8386
  69. Affected versionversion=QCA9886
  70. Affected versionversion=QCA9888
  71. Affected versionversion=QCA9889
  72. Affected versionversion=QCA9980
  73. Affected versionversion=QCA9984
  74. Affected versionversion=QCA9985
  75. Affected versionversion=QCA9986
  76. Affected versionversion=QCA9990
  77. Affected versionversion=QCA9992
  78. Affected versionversion=QCA9994
  79. Affected versionversion=QCC5100
  80. Affected versionversion=QCM2290
  81. Affected versionversion=QCM4290
  82. Affected versionversion=QCM4325
  83. Affected versionversion=QCM6125
  84. Affected versionversion=QCM6490
  85. Affected versionversion=QCN5022
  86. Affected versionversion=QCN5024
  87. Affected versionversion=QCN5052
  88. Affected versionversion=QCN5054
  89. Affected versionversion=QCN5122
  90. Affected versionversion=QCN5124
  91. Affected versionversion=QCN5152
  92. Affected versionversion=QCN5154
  93. Affected versionversion=QCN5164
  94. Affected versionversion=QCN6023
  95. Affected versionversion=QCN6024
  96. Affected versionversion=QCN6100
  97. Affected versionversion=QCN6102
  98. Affected versionversion=QCN6112
  99. Affected versionversion=QCN6122
  100. Affected versionversion=QCN6132
  101. Affected versionversion=QCN9000
  102. Affected versionversion=QCN9011
  103. Affected versionversion=QCN9012
  104. Affected versionversion=QCN9022
  105. Affected versionversion=QCN9024
  106. Affected versionversion=QCN9070
  107. Affected versionversion=QCN9072
  108. Affected versionversion=QCN9074
  109. Affected versionversion=QCN9100
  110. Affected versionversion=QCN9274
  111. Affected versionversion=QCS2290
  112. Affected versionversion=QCS405
  113. Affected versionversion=QCS410
  114. Affected versionversion=QCS4290
  115. Affected versionversion=QCS603
  116. Affected versionversion=QCS605
  117. Affected versionversion=QCS610
  118. Affected versionversion=QCS6125
  119. Affected versionversion=QCS6490
  120. Affected versionversion=QRB5165
  121. Affected versionversion=QRB5165M
  122. Affected versionversion=QRB5165N
  123. Affected versionversion=QSM8250
  124. Affected versionversion=QSM8350
  125. Affected versionversion=SA4150P
  126. Affected versionversion=SA415M
  127. Affected versionversion=SA515M
  128. Affected versionversion=SA6145P
  129. Affected versionversion=SA6150P
  130. Affected versionversion=SA6155
  131. Affected versionversion=SA6155P
  132. Affected versionversion=SA8145P
  133. Affected versionversion=SA8150P
  134. Affected versionversion=SA8155
  135. Affected versionversion=SA8155P
  136. Affected versionversion=SA8195P
  137. Affected versionversion=SA8295P
  138. Affected versionversion=SC8180X+SDX55
  139. Affected versionversion=SD 455
  140. Affected versionversion=SD460
  141. Affected versionversion=SD480
  142. Affected versionversion=SD 636
  143. Affected versionversion=SD660
  144. Affected versionversion=SD662
  145. Affected versionversion=SD665
  146. Affected versionversion=SD670
  147. Affected versionversion=SD675
  148. Affected versionversion=SD 675
  149. Affected versionversion=SD678
  150. Affected versionversion=SD680
  151. Affected versionversion=SD690 5G
  152. Affected versionversion=SD695
  153. Affected versionversion=SD710
  154. Affected versionversion=SD712
  155. Affected versionversion=SD720G
  156. Affected versionversion=SD730
  157. Affected versionversion=SD750G
  158. Affected versionversion=SD765
  159. Affected versionversion=SD765G
  160. Affected versionversion=SD768G
  161. Affected versionversion=SD778G
  162. Affected versionversion=SD780G
  163. Affected versionversion=SD7c
  164. Affected versionversion=SD835
  165. Affected versionversion=SD845
  166. Affected versionversion=SD850
  167. Affected versionversion=SD855
  168. Affected versionversion=SD865 5G
  169. Affected versionversion=SD870
  170. Affected versionversion=SD888
  171. Affected versionversion=SD888 5G
  172. Affected versionversion=SD 8CX
  173. Affected versionversion=SD 8cx Gen2
  174. Affected versionversion=SD 8cx Gen3
  175. Affected versionversion=SD 8 Gen1 5G
  176. Affected versionversion=SDM630
  177. Affected versionversion=SDX50M
  178. Affected versionversion=SDX55
  179. Affected versionversion=SDX55M
  180. Affected versionversion=SDX65
  181. Affected versionversion=SDXR1
  182. Affected versionversion=SDXR2 5G
  183. Affected versionversion=SG4150P
  184. Affected versionversion=SM4125
  185. Affected versionversion=SM6250
  186. Affected versionversion=SM6250P
  187. Affected versionversion=SM7250P
  188. Affected versionversion=SM7315
  189. Affected versionversion=SM7325P
  190. Affected versionversion=Snapdragon 4 Gen 1
  191. Affected versionversion=SSG2115P
  192. Affected versionversion=SSG2125P
  193. Affected versionversion=SW5100
  194. Affected versionversion=SW5100P
  195. Affected versionversion=SXR1230P
  196. Affected versionversion=SXR2150P
  197. Affected versionversion=SXR2230P
  198. Affected versionversion=WCD9326
  199. Affected versionversion=WCD9335
  200. Affected versionversion=WCD9340
  201. Affected versionversion=WCD9341
  202. Affected versionversion=WCD9360
  203. Affected versionversion=WCD9370
  204. Affected versionversion=WCD9371
  205. Affected versionversion=WCD9375
  206. Affected versionversion=WCD9380
  207. Affected versionversion=WCD9385
  208. Affected versionversion=WCN3910
  209. Affected versionversion=WCN3950
  210. Affected versionversion=WCN3980
  211. Affected versionversion=WCN3988
  212. Affected versionversion=WCN3990
  213. Affected versionversion=WCN3991
  214. Affected versionversion=WCN3998
  215. Affected versionversion=WCN3999
  216. Affected versionversion=WCN6740
  217. Affected versionversion=WCN6750
  218. Affected versionversion=WCN6850
  219. Affected versionversion=WCN6851
  220. Affected versionversion=WCN6855
  221. Affected versionversion=WCN6856
  222. Affected versionversion=WCN7850
  223. Affected versionversion=WCN7851
  224. Affected versionversion=WSA8810
  225. Affected versionversion=WSA8815
  226. Affected versionversion=WSA8830
  227. Affected versionversion=WSA8832
  228. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=AR8031; version=AR8035; version=AR9380; version=CSR8811; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=IPQ5010; version=IPQ5018; version=IPQ5028; 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=IPQ9574; version=QAM8295P; version=QCA1062; version=QCA1064; version=QCA2062; version=QCA2064; version=QCA2065; version=QCA2066; version=QCA4024; version=QCA6310; version=QCA6320; version=QCA6335; version=QCA6390; version=QCA6391; version=QCA6420; version=QCA6421; version=QCA6426; version=QCA6430; version=QCA6431; version=QCA6436; version=QCA6554A; version=QCA6564A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6678AQ; version=QCA6696; version=QCA6698AQ; 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=QCC5100; version=QCM2290; version=QCM4290; version=QCM4325; version=QCM6125; version=QCM6490; 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=QCN9011; version=QCN9012; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS2290; version=QCS405; version=QCS410; version=QCS4290; version=QCS603; version=QCS605; version=QCS610; version=QCS6125; version=QCS6490; version=QRB5165; version=QRB5165M; version=QRB5165N; version=QSM8250; version=QSM8350; version=SA4150P; version=SA415M; version=SA515M; version=SA6145P; version=SA6150P; version=SA6155; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155; version=SA8155P; version=SA8195P; version=SA8295P; version=SC8180X+SDX55; version=SD 455; version=SD460; version=SD480; version=SD 636; version=SD660; version=SD662; version=SD665; version=SD670; version=SD675; version=SD 675; version=SD678; version=SD680; version=SD690 5G; version=SD695; version=SD710; version=SD712; version=SD720G; version=SD730; version=SD750G; version=SD765; version=SD765G; version=SD768G; version=SD778G; version=SD780G; version=SD7c; version=SD835; version=SD845; version=SD850; version=SD855; version=SD865 5G; version=SD870; version=SD888; version=SD888 5G; version=SD 8CX; version=SD 8cx Gen2; version=SD 8cx Gen3; version=SD 8 Gen1 5G; version=SDM630; version=SDX50M; version=SDX55; version=SDX55M; version=SDX65; version=SDXR1; version=SDXR2 5G; version=SG4150P; version=SM4125; version=SM6250; version=SM6250P; version=SM7250P; version=SM7315; version=SM7325P; version=Snapdragon 4 Gen 1; version=SSG2115P; version=SSG2125P; version=SW5100; version=SW5100P; version=SXR1230P; version=SXR2150P; version=SXR2230P; version=WCD9326; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3910; version=WCN3950; version=WCN3980; version=WCN3988; version=WCN3990; version=WCN3991; version=WCN3998; version=WCN3999; version=WCN6740; version=WCN6750; version=WCN6850; version=WCN6851; version=WCN6855; version=WCN6856; version=WCN7850; version=WCN7851; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835

Published CVSS scores

9.8QualcommCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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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