CVE-2022-40530

Memory corruption via WLAN initialization integer overflow

Published Mar 7, 2023 · Updated Aug 3, 2024

Memory corruption in Qualcomm Snapdragon WLAN firmware allows local users to corrupt memory during WLAN initialization. The closed-source WLAN component uses an overflowed integer result for buffer handling during initialization, producing a buffer overflow; Qualcomm has not disclosed the responsible function or input. Exploitation requires local access to an affected chipset and no user interaction, and the resulting corruption can compromise confidentiality, integrity, and availability.

CVSS severity8.4
High
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in Qualcomm Snapdragon WLAN firmware allows local users to corrupt memory during WLAN initialization. The closed-source WLAN component uses an overflowed integer result for buffer handling during initialization, producing a buffer overflow; Qualcomm has not disclosed the responsible function or input. Exploitation requires local access to an affected chipset and no user interaction, and the resulting corruption can compromise confidentiality, integrity, and availability.

The record

CVE
CVE-2022-40530
Published
Mar 7, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-190, CWE-680
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 7, 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

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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=CSR8811
  5. Affected versionversion=CSRA6620
  6. Affected versionversion=CSRA6640
  7. Affected versionversion=CSRB31024
  8. Affected versionversion=IPQ5018
  9. Affected versionversion=IPQ6010
  10. Affected versionversion=IPQ6018
  11. Affected versionversion=IPQ6028
  12. Affected versionversion=IPQ8070
  13. Affected versionversion=IPQ8070A
  14. Affected versionversion=IPQ8071
  15. Affected versionversion=IPQ8071A
  16. Affected versionversion=IPQ8072
  17. Affected versionversion=IPQ8072A
  18. Affected versionversion=IPQ8074
  19. Affected versionversion=IPQ8074A
  20. Affected versionversion=IPQ8076
  21. Affected versionversion=IPQ8076A
  22. Affected versionversion=IPQ8078
  23. Affected versionversion=IPQ8078A
  24. Affected versionversion=IPQ8173
  25. Affected versionversion=IPQ8174
  26. Affected versionversion=IPQ9008
  27. Affected versionversion=IPQ9574
  28. Affected versionversion=PMP8074
  29. Affected versionversion=QAM8295P
  30. Affected versionversion=QCA1062
  31. Affected versionversion=QCA1064
  32. Affected versionversion=QCA2062
  33. Affected versionversion=QCA2064
  34. Affected versionversion=QCA2065
  35. Affected versionversion=QCA2066
  36. Affected versionversion=QCA4024
  37. Affected versionversion=QCA6390
  38. Affected versionversion=QCA6391
  39. Affected versionversion=QCA6420
  40. Affected versionversion=QCA6421
  41. Affected versionversion=QCA6426
  42. Affected versionversion=QCA6430
  43. Affected versionversion=QCA6431
  44. Affected versionversion=QCA6436
  45. Affected versionversion=QCA6554A
  46. Affected versionversion=QCA6564AU
  47. Affected versionversion=QCA6574
  48. Affected versionversion=QCA6574A
  49. Affected versionversion=QCA6574AU
  50. Affected versionversion=QCA6584AU
  51. Affected versionversion=QCA6595
  52. Affected versionversion=QCA6595AU
  53. Affected versionversion=QCA6678AQ
  54. Affected versionversion=QCA6696
  55. Affected versionversion=QCA6698AQ
  56. Affected versionversion=QCA8072
  57. Affected versionversion=QCA8075
  58. Affected versionversion=QCA8081
  59. Affected versionversion=QCA8082
  60. Affected versionversion=QCA8084
  61. Affected versionversion=QCA8085
  62. Affected versionversion=QCA8337
  63. Affected versionversion=QCA8386
  64. Affected versionversion=QCA9888
  65. Affected versionversion=QCA9889
  66. Affected versionversion=QCA9984
  67. Affected versionversion=QCM6125
  68. Affected versionversion=QCM6490
  69. Affected versionversion=QCN5021
  70. Affected versionversion=QCN5022
  71. Affected versionversion=QCN5024
  72. Affected versionversion=QCN5052
  73. Affected versionversion=QCN5054
  74. Affected versionversion=QCN5122
  75. Affected versionversion=QCN5124
  76. Affected versionversion=QCN5152
  77. Affected versionversion=QCN5154
  78. Affected versionversion=QCN5164
  79. Affected versionversion=QCN6023
  80. Affected versionversion=QCN6024
  81. Affected versionversion=QCN6100
  82. Affected versionversion=QCN6102
  83. Affected versionversion=QCN6112
  84. Affected versionversion=QCN6122
  85. Affected versionversion=QCN6132
  86. Affected versionversion=QCN7605
  87. Affected versionversion=QCN7606
  88. Affected versionversion=QCN9000
  89. Affected versionversion=QCN9011
  90. Affected versionversion=QCN9012
  91. Affected versionversion=QCN9022
  92. Affected versionversion=QCN9024
  93. Affected versionversion=QCN9070
  94. Affected versionversion=QCN9072
  95. Affected versionversion=QCN9074
  96. Affected versionversion=QCN9100
  97. Affected versionversion=QCN9274
  98. Affected versionversion=QCS405
  99. Affected versionversion=QCS410
  100. Affected versionversion=QCS610
  101. Affected versionversion=QCS6125
  102. Affected versionversion=QCS6490
  103. Affected versionversion=QCX315
  104. Affected versionversion=QRB5165
  105. Affected versionversion=QRB5165M
  106. Affected versionversion=QRB5165N
  107. Affected versionversion=QSM8250
  108. Affected versionversion=QSM8350
  109. Affected versionversion=SA4150P
  110. Affected versionversion=SA415M
  111. Affected versionversion=SA515M
  112. Affected versionversion=SA6145P
  113. Affected versionversion=SA6150P
  114. Affected versionversion=SA6155
  115. Affected versionversion=SA6155P
  116. Affected versionversion=SA8145P
  117. Affected versionversion=SA8150P
  118. Affected versionversion=SA8155
  119. Affected versionversion=SA8155P
  120. Affected versionversion=SA8195P
  121. Affected versionversion=SA8295P
  122. Affected versionversion=SC8180X+SDX55
  123. Affected versionversion=SD480
  124. Affected versionversion=SD665
  125. Affected versionversion=SD675
  126. Affected versionversion=SD 675
  127. Affected versionversion=SD678
  128. Affected versionversion=SD690 5G
  129. Affected versionversion=SD695
  130. Affected versionversion=SD730
  131. Affected versionversion=SD750G
  132. Affected versionversion=SD765
  133. Affected versionversion=SD765G
  134. Affected versionversion=SD768G
  135. Affected versionversion=SD778G
  136. Affected versionversion=SD780G
  137. Affected versionversion=SD855
  138. Affected versionversion=SD865 5G
  139. Affected versionversion=SD870
  140. Affected versionversion=SD888
  141. Affected versionversion=SD888 5G
  142. Affected versionversion=SD 8CX
  143. Affected versionversion=SD 8cx Gen2
  144. Affected versionversion=SD 8cx Gen3
  145. Affected versionversion=SD 8 Gen1 5G
  146. Affected versionversion=SDX50M
  147. Affected versionversion=SDX55
  148. Affected versionversion=SDX55M
  149. Affected versionversion=SDX65
  150. Affected versionversion=SDX65M
  151. Affected versionversion=SDXR2 5G
  152. Affected versionversion=SM7250P
  153. Affected versionversion=SM7315
  154. Affected versionversion=SM7325P
  155. Affected versionversion=Snapdragon 4 Gen 1
  156. Affected versionversion=SSG2115P
  157. Affected versionversion=SSG2125P
  158. Affected versionversion=SXR1230P
  159. Affected versionversion=SXR2150P
  160. Affected versionversion=SXR2230P
  161. Affected versionversion=WCD9335
  162. Affected versionversion=WCD9340
  163. Affected versionversion=WCD9341
  164. Affected versionversion=WCD9360
  165. Affected versionversion=WCD9370
  166. Affected versionversion=WCD9371
  167. Affected versionversion=WCD9375
  168. Affected versionversion=WCD9380
  169. Affected versionversion=WCD9385
  170. Affected versionversion=WCN3950
  171. Affected versionversion=WCN3980
  172. Affected versionversion=WCN3988
  173. Affected versionversion=WCN3990
  174. Affected versionversion=WCN3991
  175. Affected versionversion=WCN3998
  176. Affected versionversion=WCN3999
  177. Affected versionversion=WCN6740
  178. Affected versionversion=WCN6750
  179. Affected versionversion=WCN6850
  180. Affected versionversion=WCN6851
  181. Affected versionversion=WCN6855
  182. Affected versionversion=WCN6856
  183. Affected versionversion=WCN7850
  184. Affected versionversion=WCN7851
  185. Affected versionversion=WSA8810
  186. Affected versionversion=WSA8815
  187. Affected versionversion=WSA8830
  188. Affected versionversion=WSA8832
  189. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AQT1000; version=AR8031; version=AR8035; version=CSR8811; version=CSRA6620; version=CSRA6640; version=CSRB31024; version=IPQ5018; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8070; version=IPQ8070A; version=IPQ8071; version=IPQ8071A; version=IPQ8072; version=IPQ8072A; version=IPQ8074; version=IPQ8074A; version=IPQ8076; version=IPQ8076A; version=IPQ8078; version=IPQ8078A; version=IPQ8173; version=IPQ8174; version=IPQ9008; version=IPQ9574; version=PMP8074; version=QAM8295P; version=QCA1062; version=QCA1064; version=QCA2062; version=QCA2064; version=QCA2065; version=QCA2066; version=QCA4024; version=QCA6390; 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=QCA8072; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9888; version=QCA9889; version=QCA9984; 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=QCN7605; version=QCN7606; version=QCN9000; version=QCN9011; version=QCN9012; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS405; version=QCS410; version=QCS610; version=QCS6125; version=QCS6490; version=QCX315; 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=SD480; version=SD665; version=SD675; version=SD 675; version=SD678; version=SD690 5G; version=SD695; version=SD730; version=SD750G; version=SD765; version=SD765G; version=SD768G; version=SD778G; version=SD780G; 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=SDX50M; version=SDX55; version=SDX55M; version=SDX65; version=SDX65M; version=SDXR2 5G; version=SM7250P; version=SM7315; version=SM7325P; version=Snapdragon 4 Gen 1; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2150P; version=SXR2230P; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9360; version=WCD9370; version=WCD9371; version=WCD9375; version=WCD9380; version=WCD9385; 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

8.4Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-190Integer Overflow or Wraparound
CWE-680Integer Overflow to 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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