CVE-2023-43523Network attack vector

Transient denial of service via WLAN assertion

Published Feb 6, 2024 · Updated Jun 17, 2025

Reachable assertion in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt service via an over-the-air 802.11az RTT frame. The firmware processes the received management action frame and reaches an assertion, but Qualcomm has not disclosed the responsible routine or failed invariant. No authentication or user interaction is required, and the resulting denial of service is transient rather than unrecoverable.

CVSS severity7.5
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reachable assertion in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt service via an over-the-air 802.11az RTT frame. The firmware processes the received management action frame and reaches an assertion, but Qualcomm has not disclosed the responsible routine or failed invariant. No authentication or user interaction is required, and the resulting denial of service is transient rather than unrecoverable.

The record

CVE
CVE-2023-43523
Published
Feb 6, 2024
Updated
Jun 17, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-617, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2025Record 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=AR8035
  2. Affected versionversion=CSR8811
  3. Affected versionversion=FastConnect 6800
  4. Affected versionversion=FastConnect 6900
  5. Affected versionversion=FastConnect 7800
  6. Affected versionversion=Immersive Home 214 Platform
  7. Affected versionversion=Immersive Home 216 Platform
  8. Affected versionversion=Immersive Home 316 Platform
  9. Affected versionversion=Immersive Home 318 Platform
  10. Affected versionversion=Immersive Home 3210 Platform
  11. Affected versionversion=Immersive Home 326 Platform
  12. Affected versionversion=IPQ5010
  13. Affected versionversion=IPQ5028
  14. Affected versionversion=IPQ5302
  15. Affected versionversion=IPQ5312
  16. Affected versionversion=IPQ5332
  17. Affected versionversion=IPQ6000
  18. Affected versionversion=IPQ6010
  19. Affected versionversion=IPQ6018
  20. Affected versionversion=IPQ6028
  21. Affected versionversion=IPQ8070A
  22. Affected versionversion=IPQ8071A
  23. Affected versionversion=IPQ8072A
  24. Affected versionversion=IPQ8074A
  25. Affected versionversion=IPQ8076
  26. Affected versionversion=IPQ8076A
  27. Affected versionversion=IPQ8078
  28. Affected versionversion=IPQ8078A
  29. Affected versionversion=IPQ8173
  30. Affected versionversion=IPQ8174
  31. Affected versionversion=IPQ9008
  32. Affected versionversion=IPQ9554
  33. Affected versionversion=IPQ9570
  34. Affected versionversion=IPQ9574
  35. Affected versionversion=QAM8255P
  36. Affected versionversion=QAM8650P
  37. Affected versionversion=QAM8775P
  38. Affected versionversion=QCA0000
  39. Affected versionversion=QCA4024
  40. Affected versionversion=QCA6391
  41. Affected versionversion=QCA6426
  42. Affected versionversion=QCA6436
  43. Affected versionversion=QCA6554A
  44. Affected versionversion=QCA6564AU
  45. Affected versionversion=QCA6574
  46. Affected versionversion=QCA6574A
  47. Affected versionversion=QCA6574AU
  48. Affected versionversion=QCA6584AU
  49. Affected versionversion=QCA6595
  50. Affected versionversion=QCA6595AU
  51. Affected versionversion=QCA6696
  52. Affected versionversion=QCA6698AQ
  53. Affected versionversion=QCA6797AQ
  54. Affected versionversion=QCA8072
  55. Affected versionversion=QCA8075
  56. Affected versionversion=QCA8081
  57. Affected versionversion=QCA8082
  58. Affected versionversion=QCA8084
  59. Affected versionversion=QCA8085
  60. Affected versionversion=QCA8337
  61. Affected versionversion=QCA8386
  62. Affected versionversion=QCA9888
  63. Affected versionversion=QCA9889
  64. Affected versionversion=QCC2073
  65. Affected versionversion=QCC2076
  66. Affected versionversion=QCC710
  67. Affected versionversion=QCF8000
  68. Affected versionversion=QCF8001
  69. Affected versionversion=QCM8550
  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=QCN6122
  82. Affected versionversion=QCN6132
  83. Affected versionversion=QCN6224
  84. Affected versionversion=QCN6274
  85. Affected versionversion=QCN6402
  86. Affected versionversion=QCN6412
  87. Affected versionversion=QCN6422
  88. Affected versionversion=QCN6432
  89. Affected versionversion=QCN9000
  90. Affected versionversion=QCN9001
  91. Affected versionversion=QCN9002
  92. Affected versionversion=QCN9003
  93. Affected versionversion=QCN9012
  94. Affected versionversion=QCN9013
  95. Affected versionversion=QCN9022
  96. Affected versionversion=QCN9024
  97. Affected versionversion=QCN9070
  98. Affected versionversion=QCN9072
  99. Affected versionversion=QCN9074
  100. Affected versionversion=QCN9100
  101. Affected versionversion=QCN9274
  102. Affected versionversion=QCS8550
  103. Affected versionversion=QFW7114
  104. Affected versionversion=QFW7124
  105. Affected versionversion=SC8380XP
  106. Affected versionversion=SD865 5G
  107. Affected versionversion=SD 8 Gen1 5G
  108. Affected versionversion=SDX65M
  109. Affected versionversion=SG8275P
  110. Affected versionversion=SM8550P
  111. Affected versionversion=Snapdragon 865 5G Mobile Platform
  112. Affected versionversion=Snapdragon 865+ 5G Mobile Platform (SM8250-AB)
  113. Affected versionversion=Snapdragon 870 5G Mobile Platform (SM8250-AC)
  114. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  115. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  116. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  117. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  118. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  119. Affected versionversion=Snapdragon X55 5G Modem-RF System
  120. Affected versionversion=Snapdragon X65 5G Modem-RF System
  121. Affected versionversion=Snapdragon X75 5G Modem-RF System
  122. Affected versionversion=Snapdragon XR2 5G Platform
  123. Affected versionversion=Snapdragon XR2+ Gen 1 Platform
  124. Affected versionversion=SSG2115P
  125. Affected versionversion=SSG2125P
  126. Affected versionversion=SXR1230P
  127. Affected versionversion=SXR2130
  128. Affected versionversion=SXR2230P
  129. Affected versionversion=WCD9340
  130. Affected versionversion=WCD9380
  131. Affected versionversion=WCD9385
  132. Affected versionversion=WCD9390
  133. Affected versionversion=WCD9395
  134. Affected versionversion=WCN6740
  135. Affected versionversion=WSA8810
  136. Affected versionversion=WSA8815
  137. Affected versionversion=WSA8830
  138. Affected versionversion=WSA8832
  139. Affected versionversion=WSA8835
  140. Affected versionversion=WSA8840
  141. Affected versionversion=WSA8845
  142. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=CSR8811; 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=Immersive Home 3210 Platform; version=Immersive Home 326 Platform; version=IPQ5010; version=IPQ5028; version=IPQ5302; version=IPQ5312; version=IPQ5332; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; 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=QAM8255P; version=QAM8650P; version=QAM8775P; version=QCA0000; version=QCA4024; version=QCA6391; version=QCA6426; version=QCA6436; version=QCA6554A; version=QCA6564AU; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8072; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9888; version=QCA9889; version=QCC2073; version=QCC2076; version=QCC710; version=QCF8000; version=QCF8001; 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=QCN6122; version=QCN6132; version=QCN6224; version=QCN6274; version=QCN6402; version=QCN6412; version=QCN6422; version=QCN6432; version=QCN9000; version=QCN9001; version=QCN9002; version=QCN9003; version=QCN9012; version=QCN9013; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS8550; version=QFW7114; version=QFW7124; version=SC8380XP; version=SD865 5G; version=SD 8 Gen1 5G; version=SDX65M; version=SG8275P; version=SM8550P; version=Snapdragon 865 5G Mobile Platform; version=Snapdragon 865+ 5G Mobile Platform (SM8250-AB); version=Snapdragon 870 5G Mobile Platform (SM8250-AC); 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 AR2 Gen 1 Platform; 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=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN6740; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

7.5QualcommCVSS: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-617Reachable Assertion
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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