CVE-2023-33082Network attack vector

Memory corruption via oversized MBO information element

Published Dec 5, 2023 · Updated Feb 25, 2026

Classic buffer overflow in Qualcomm Snapdragon WLAN Host allows remote attackers to corrupt memory through crafted Wi-Fi association data. The host copies an MBO information element from a BTM Query or BTM Response into an Association Request without validating its size. Triggering requires WLAN Host to send that Association Request; Qualcomm has not documented whether corruption causes a crash or code execution.

CVSS severity9.8
Critical
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Classic buffer overflow in Qualcomm Snapdragon WLAN Host allows remote attackers to corrupt memory through crafted Wi-Fi association data. The host copies an MBO information element from a BTM Query or BTM Response into an Association Request without validating its size. Triggering requires WLAN Host to send that Association Request; Qualcomm has not documented whether corruption causes a crash or code execution.

The record

CVE
CVE-2023-33082
Published
Dec 5, 2023
Updated
Feb 25, 2026
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 5, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 25, 2026Record 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=AR9380
  3. Affected versionversion=CSR8811
  4. Affected versionversion=FastConnect 6900
  5. Affected versionversion=FastConnect 7800
  6. Affected versionversion=Flight RB5 5G Platform
  7. Affected versionversion=Immersive Home 214 Platform
  8. Affected versionversion=Immersive Home 216 Platform
  9. Affected versionversion=Immersive Home 316 Platform
  10. Affected versionversion=Immersive Home 318 Platform
  11. Affected versionversion=Immersive Home 3210 Platform
  12. Affected versionversion=Immersive Home 326 Platform
  13. Affected versionversion=IPQ4018
  14. Affected versionversion=IPQ4019
  15. Affected versionversion=IPQ4028
  16. Affected versionversion=IPQ4029
  17. Affected versionversion=IPQ5010
  18. Affected versionversion=IPQ5028
  19. Affected versionversion=IPQ6000
  20. Affected versionversion=IPQ6010
  21. Affected versionversion=IPQ6018
  22. Affected versionversion=IPQ6028
  23. Affected versionversion=IPQ8064
  24. Affected versionversion=IPQ8065
  25. Affected versionversion=IPQ8068
  26. Affected versionversion=IPQ8070
  27. Affected versionversion=IPQ8070A
  28. Affected versionversion=IPQ8071A
  29. Affected versionversion=IPQ8072A
  30. Affected versionversion=IPQ8074A
  31. Affected versionversion=IPQ8076
  32. Affected versionversion=IPQ8076A
  33. Affected versionversion=IPQ8078
  34. Affected versionversion=IPQ8078A
  35. Affected versionversion=IPQ8173
  36. Affected versionversion=IPQ8174
  37. Affected versionversion=IPQ9008
  38. Affected versionversion=IPQ9554
  39. Affected versionversion=IPQ9570
  40. Affected versionversion=IPQ9574
  41. Affected versionversion=PMP8074
  42. Affected versionversion=QCA0000
  43. Affected versionversion=QCA4024
  44. Affected versionversion=QCA6391
  45. Affected versionversion=QCA7500
  46. Affected versionversion=QCA8072
  47. Affected versionversion=QCA8075
  48. Affected versionversion=QCA8081
  49. Affected versionversion=QCA8082
  50. Affected versionversion=QCA8084
  51. Affected versionversion=QCA8085
  52. Affected versionversion=QCA8337
  53. Affected versionversion=QCA8386
  54. Affected versionversion=QCA9531
  55. Affected versionversion=QCA9558
  56. Affected versionversion=QCA9563
  57. Affected versionversion=QCA9880
  58. Affected versionversion=QCA9886
  59. Affected versionversion=QCA9888
  60. Affected versionversion=QCA9889
  61. Affected versionversion=QCA9898
  62. Affected versionversion=QCA9980
  63. Affected versionversion=QCA9984
  64. Affected versionversion=QCA9985
  65. Affected versionversion=QCA9986
  66. Affected versionversion=QCA9988
  67. Affected versionversion=QCA9990
  68. Affected versionversion=QCA9992
  69. Affected versionversion=QCA9994
  70. Affected versionversion=QCC710
  71. Affected versionversion=QCF8000
  72. Affected versionversion=QCN5021
  73. Affected versionversion=QCN5022
  74. Affected versionversion=QCN5024
  75. Affected versionversion=QCN5052
  76. Affected versionversion=QCN5054
  77. Affected versionversion=QCN5122
  78. Affected versionversion=QCN5124
  79. Affected versionversion=QCN5152
  80. Affected versionversion=QCN5154
  81. Affected versionversion=QCN5164
  82. Affected versionversion=QCN5502
  83. Affected versionversion=QCN6023
  84. Affected versionversion=QCN6024
  85. Affected versionversion=QCN6112
  86. Affected versionversion=QCN6122
  87. Affected versionversion=QCN6132
  88. Affected versionversion=QCN6224
  89. Affected versionversion=QCN6274
  90. Affected versionversion=QCN9000
  91. Affected versionversion=QCN9011
  92. Affected versionversion=QCN9012
  93. Affected versionversion=QCN9013
  94. Affected versionversion=QCN9022
  95. Affected versionversion=QCN9024
  96. Affected versionversion=QCN9070
  97. Affected versionversion=QCN9072
  98. Affected versionversion=QCN9074
  99. Affected versionversion=QCN9100
  100. Affected versionversion=QCN9274
  101. Affected versionversion=QFW7114
  102. Affected versionversion=QFW7124
  103. Affected versionversion=QRB5165M
  104. Affected versionversion=QRB5165N
  105. Affected versionversion=Robotics RB5 Platform
  106. Affected versionversion=SDX55
  107. Affected versionversion=SDX65M
  108. Affected versionversion=Snapdragon X65 5G Modem-RF System
  109. Affected versionversion=Snapdragon X75 5G Modem-RF System
  110. Affected versionversion=WCD9340
  111. Affected versionversion=WCD9380
  112. Affected versionversion=WCD9385
  113. Affected versionversion=WCN3980

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=AR9380; version=CSR8811; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; 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=IPQ4018; version=IPQ4019; version=IPQ4028; version=IPQ4029; version=IPQ5010; version=IPQ5028; version=IPQ6000; version=IPQ6010; version=IPQ6018; version=IPQ6028; version=IPQ8064; version=IPQ8065; version=IPQ8068; version=IPQ8070; 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=PMP8074; version=QCA0000; version=QCA4024; version=QCA6391; version=QCA7500; version=QCA8072; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8337; version=QCA8386; version=QCA9531; version=QCA9558; version=QCA9563; version=QCA9880; version=QCA9886; version=QCA9888; version=QCA9889; version=QCA9898; version=QCA9980; version=QCA9984; version=QCA9985; version=QCA9986; version=QCA9988; version=QCA9990; version=QCA9992; version=QCA9994; version=QCC710; version=QCF8000; version=QCN5021; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5054; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN5502; version=QCN6023; version=QCN6024; version=QCN6112; version=QCN6122; version=QCN6132; version=QCN6224; version=QCN6274; version=QCN9000; version=QCN9011; version=QCN9012; version=QCN9013; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=QFW7114; version=QFW7124; version=QRB5165M; version=QRB5165N; version=Robotics RB5 Platform; version=SDX55; version=SDX65M; version=Snapdragon X65 5G Modem-RF System; version=Snapdragon X75 5G Modem-RF System; version=WCD9340; version=WCD9380; version=WCD9385; version=WCN3980

Published CVSS scores

9.8Qualcomm, Inc.CVSS: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 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-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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