CVE-2022-33306Network attack vector

Transient denial of service via malformed WLAN IEs

Published Feb 9, 2023 · Updated Aug 3, 2024

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to cause transient service interruption via malformed management frames. The firmware reads beyond the WLAN receive buffer while parsing incorrectly filled information elements in an incoming management frame. No authentication or user interaction is required, but the crafted frame must reach the WLAN interface; the reported effect is transient denial of service only.

CVSS severity7.5
High
EPSS probability0.42%
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 cause transient service interruption via malformed management frames. The firmware reads beyond the WLAN receive buffer while parsing incorrectly filled information elements in an incoming management frame. No authentication or user interaction is required, but the crafted frame must reach the WLAN interface; the reported effect is transient denial of service only.

The record

CVE
CVE-2022-33306
Published
Feb 9, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-126, T1499
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=AR8035
  2. Affected versionversion=AR9380
  3. Affected versionversion=CSR8811
  4. Affected versionversion=IPQ5010
  5. Affected versionversion=IPQ5018
  6. Affected versionversion=IPQ5028
  7. Affected versionversion=IPQ6000
  8. Affected versionversion=IPQ6010
  9. Affected versionversion=IPQ6018
  10. Affected versionversion=IPQ6028
  11. Affected versionversion=IPQ8064
  12. Affected versionversion=IPQ8065
  13. Affected versionversion=IPQ8068
  14. Affected versionversion=IPQ8070A
  15. Affected versionversion=IPQ8071A
  16. Affected versionversion=IPQ8072A
  17. Affected versionversion=IPQ8074A
  18. Affected versionversion=IPQ8076
  19. Affected versionversion=IPQ8076A
  20. Affected versionversion=IPQ8078
  21. Affected versionversion=IPQ8078A
  22. Affected versionversion=IPQ8173
  23. Affected versionversion=IPQ8174
  24. Affected versionversion=IPQ9008
  25. Affected versionversion=IPQ9574
  26. Affected versionversion=QAM8295P
  27. Affected versionversion=QCA2062
  28. Affected versionversion=QCA2064
  29. Affected versionversion=QCA2065
  30. Affected versionversion=QCA2066
  31. Affected versionversion=QCA4024
  32. Affected versionversion=QCA6390
  33. Affected versionversion=QCA6391
  34. Affected versionversion=QCA6426
  35. Affected versionversion=QCA6436
  36. Affected versionversion=QCA6554A
  37. Affected versionversion=QCA6564AU
  38. Affected versionversion=QCA6574
  39. Affected versionversion=QCA6574A
  40. Affected versionversion=QCA6574AU
  41. Affected versionversion=QCA6584AU
  42. Affected versionversion=QCA6595
  43. Affected versionversion=QCA6595AU
  44. Affected versionversion=QCA6678AQ
  45. Affected versionversion=QCA6696
  46. Affected versionversion=QCA6698AQ
  47. Affected versionversion=QCA8072
  48. Affected versionversion=QCA8075
  49. Affected versionversion=QCA8081
  50. Affected versionversion=QCA8082
  51. Affected versionversion=QCA8084
  52. Affected versionversion=QCA8085
  53. Affected versionversion=QCA8337
  54. Affected versionversion=QCA8386
  55. Affected versionversion=QCA9886
  56. Affected versionversion=QCA9888
  57. Affected versionversion=QCA9889
  58. Affected versionversion=QCA9980
  59. Affected versionversion=QCA9984
  60. Affected versionversion=QCA9985
  61. Affected versionversion=QCA9986
  62. Affected versionversion=QCA9990
  63. Affected versionversion=QCA9992
  64. Affected versionversion=QCA9994
  65. Affected versionversion=QCM6490
  66. Affected versionversion=QCN5022
  67. Affected versionversion=QCN5024
  68. Affected versionversion=QCN5052
  69. Affected versionversion=QCN5054
  70. Affected versionversion=QCN5122
  71. Affected versionversion=QCN5124
  72. Affected versionversion=QCN5152
  73. Affected versionversion=QCN5154
  74. Affected versionversion=QCN5164
  75. Affected versionversion=QCN6023
  76. Affected versionversion=QCN6024
  77. Affected versionversion=QCN6100
  78. Affected versionversion=QCN6102
  79. Affected versionversion=QCN6112
  80. Affected versionversion=QCN6122
  81. Affected versionversion=QCN6132
  82. Affected versionversion=QCN9000
  83. Affected versionversion=QCN9001
  84. Affected versionversion=QCN9002
  85. Affected versionversion=QCN9003
  86. Affected versionversion=QCN9022
  87. Affected versionversion=QCN9024
  88. Affected versionversion=QCN9070
  89. Affected versionversion=QCN9072
  90. Affected versionversion=QCN9074
  91. Affected versionversion=QCN9100
  92. Affected versionversion=QCN9274
  93. Affected versionversion=QCS6490
  94. Affected versionversion=QSM8350
  95. Affected versionversion=SA8295P
  96. Affected versionversion=SD660
  97. Affected versionversion=SD780G
  98. Affected versionversion=SD865 5G
  99. Affected versionversion=SD870
  100. Affected versionversion=SD888
  101. Affected versionversion=SD888 5G
  102. Affected versionversion=SD 8cx Gen3
  103. Affected versionversion=SD 8 Gen1 5G
  104. Affected versionversion=SDX55M
  105. Affected versionversion=SDX65
  106. Affected versionversion=SDXR2 5G
  107. Affected versionversion=SSG2115P
  108. Affected versionversion=SSG2125P
  109. Affected versionversion=SXR1230P
  110. Affected versionversion=SXR2230P
  111. Affected versionversion=WCD9335
  112. Affected versionversion=WCD9341
  113. Affected versionversion=WCD9370
  114. Affected versionversion=WCD9375
  115. Affected versionversion=WCD9380
  116. Affected versionversion=WCD9385
  117. Affected versionversion=WCN3980
  118. Affected versionversion=WCN3990
  119. Affected versionversion=WCN6740
  120. Affected versionversion=WCN6750
  121. Affected versionversion=WCN6850
  122. Affected versionversion=WCN6851
  123. Affected versionversion=WCN6855
  124. Affected versionversion=WCN6856
  125. Affected versionversion=WCN7850
  126. Affected versionversion=WCN7851
  127. Affected versionversion=WSA8810
  128. Affected versionversion=WSA8815
  129. Affected versionversion=WSA8830
  130. Affected versionversion=WSA8832
  131. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=AR9380; version=CSR8811; 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=IPQ9008; version=IPQ9574; version=QAM8295P; version=QCA2062; version=QCA2064; version=QCA2065; version=QCA2066; version=QCA4024; version=QCA6390; version=QCA6391; version=QCA6426; 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=QCA9886; version=QCA9888; version=QCA9889; version=QCA9980; version=QCA9984; version=QCA9985; version=QCA9986; version=QCA9990; version=QCA9992; version=QCA9994; 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=QCN9001; version=QCN9002; version=QCN9003; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QCS6490; version=QSM8350; version=SA8295P; version=SD660; version=SD780G; version=SD865 5G; version=SD870; version=SD888; version=SD888 5G; version=SD 8cx Gen3; version=SD 8 Gen1 5G; version=SDX55M; version=SDX65; version=SDXR2 5G; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=WCD9335; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCN3980; version=WCN3990; 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

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-126Buffer Over-read
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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