CVE-2022-33309Network attack vector

Service interruption via undersized secure FTMR frame

Published Mar 7, 2023 · Updated Aug 3, 2024

Buffer over-read in Qualcomm Snapdragon WLAN firmware allows remote attackers to interrupt service with a malformed secure FTMR frame. The firmware parses frames shorter than 39 bytes without first validating the minimum length, causing a read beyond the supplied frame buffer. Network reachability to the WLAN interface is sufficient; no authentication or user interaction is required, and the reported effect is transient denial of service.

CVSS severity7.5
High
EPSS probability0.41%
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 interrupt service with a malformed secure FTMR frame. The firmware parses frames shorter than 39 bytes without first validating the minimum length, causing a read beyond the supplied frame buffer. Network reachability to the WLAN interface is sufficient; no authentication or user interaction is required, and the reported effect is transient denial of service.

The record

CVE
CVE-2022-33309
Published
Mar 7, 2023
Updated
Aug 3, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-126, T1499.004
Attack vector
network
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

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=CSR8811
  2. Affected versionversion=IPQ5010
  3. Affected versionversion=IPQ5018
  4. Affected versionversion=IPQ5028
  5. Affected versionversion=IPQ6000
  6. Affected versionversion=IPQ6010
  7. Affected versionversion=IPQ6018
  8. Affected versionversion=IPQ6028
  9. Affected versionversion=IPQ8070A
  10. Affected versionversion=IPQ8071A
  11. Affected versionversion=IPQ8072A
  12. Affected versionversion=IPQ8074A
  13. Affected versionversion=IPQ8076
  14. Affected versionversion=IPQ8076A
  15. Affected versionversion=IPQ8078
  16. Affected versionversion=IPQ8078A
  17. Affected versionversion=IPQ8173
  18. Affected versionversion=IPQ8174
  19. Affected versionversion=IPQ9008
  20. Affected versionversion=IPQ9574
  21. Affected versionversion=QCA4024
  22. Affected versionversion=QCA8075
  23. Affected versionversion=QCA8081
  24. Affected versionversion=QCA8082
  25. Affected versionversion=QCA8084
  26. Affected versionversion=QCA8085
  27. Affected versionversion=QCA8386
  28. Affected versionversion=QCA9888
  29. Affected versionversion=QCA9889
  30. Affected versionversion=QCN5022
  31. Affected versionversion=QCN5024
  32. Affected versionversion=QCN5052
  33. Affected versionversion=QCN5122
  34. Affected versionversion=QCN5124
  35. Affected versionversion=QCN5152
  36. Affected versionversion=QCN5154
  37. Affected versionversion=QCN5164
  38. Affected versionversion=QCN6023
  39. Affected versionversion=QCN6024
  40. Affected versionversion=QCN6122
  41. Affected versionversion=QCN6132
  42. Affected versionversion=QCN9000
  43. Affected versionversion=QCN9022
  44. Affected versionversion=QCN9024
  45. Affected versionversion=QCN9070
  46. Affected versionversion=QCN9072
  47. Affected versionversion=QCN9074
  48. Affected versionversion=QCN9100
  49. Affected versionversion=QCN9274
  50. Affected versionversion=SD 8 Gen1 5G
  51. Affected versionversion=SDX65
  52. Affected versionversion=SDX65M
  53. Affected versionversion=SSG2115P
  54. Affected versionversion=SSG2125P
  55. Affected versionversion=SXR1230P
  56. Affected versionversion=SXR2230P
  57. Affected versionversion=WCD9380
  58. Affected versionversion=WCD9385
  59. Affected versionversion=WCN6855
  60. Affected versionversion=WCN6856
  61. Affected versionversion=WCN7850
  62. Affected versionversion=WCN7851
  63. Affected versionversion=WSA8830
  64. Affected versionversion=WSA8832
  65. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Qualcomm · Snapdragonversion=CSR8811; version=IPQ5010; version=IPQ5018; version=IPQ5028; 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=IPQ9574; version=QCA4024; version=QCA8075; version=QCA8081; version=QCA8082; version=QCA8084; version=QCA8085; version=QCA8386; version=QCA9888; version=QCA9889; version=QCN5022; version=QCN5024; version=QCN5052; version=QCN5122; version=QCN5124; version=QCN5152; version=QCN5154; version=QCN5164; version=QCN6023; version=QCN6024; version=QCN6122; version=QCN6132; version=QCN9000; version=QCN9022; version=QCN9024; version=QCN9070; version=QCN9072; version=QCN9074; version=QCN9100; version=QCN9274; version=SD 8 Gen1 5G; version=SDX65; version=SDX65M; version=SSG2115P; version=SSG2125P; version=SXR1230P; version=SXR2230P; version=WCD9380; version=WCD9385; version=WCN6855; version=WCN6856; version=WCN7850; version=WCN7851; version=WSA8830; version=WSA8832; version=WSA8835

Published CVSS scores

7.5Qualcomm, Inc.CVSS: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 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-126Buffer Over-read
T1499.004Application 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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