CVE-2023-28580

Memory corruption via unchecked PMK length

Published Dec 5, 2023 · Updated May 29, 2025

Classic buffer overflow in Qualcomm Snapdragon WLAN Host allows local users with high privileges to corrupt memory through PMK caching. The WLAN Host writes a supplied PMK length into its internal cache without checking the destination buffer size. Reachability requires local high-privilege access; successful corruption can compromise confidentiality, integrity, and availability.

CVSS severity6.7
Medium
EPSS probability0.16%
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 local users with high privileges to corrupt memory through PMK caching. The WLAN Host writes a supplied PMK length into its internal cache without checking the destination buffer size. Reachability requires local high-privilege access; successful corruption can compromise confidentiality, integrity, and availability.

The record

CVE
CVE-2023-28580
Published
Dec 5, 2023
Updated
May 29, 2025
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Dec 5, 2023CVE publishedPublication date reported by the CVE source.
  2. May 29, 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=FastConnect 6900
  3. Affected versionversion=FastConnect 7800
  4. Affected versionversion=QAM8295P
  5. Affected versionversion=QCA6391
  6. Affected versionversion=QCA6574AU
  7. Affected versionversion=QCA6595AU
  8. Affected versionversion=QCA6696
  9. Affected versionversion=QCA8081
  10. Affected versionversion=QCA8337
  11. Affected versionversion=QCC710
  12. Affected versionversion=QCN6224
  13. Affected versionversion=QCN6274
  14. Affected versionversion=QCS410
  15. Affected versionversion=QCS610
  16. Affected versionversion=QFW7114
  17. Affected versionversion=QFW7124
  18. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  19. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  20. Affected versionversion=SA6145P
  21. Affected versionversion=SA6150P
  22. Affected versionversion=SA6155P
  23. Affected versionversion=SA8145P
  24. Affected versionversion=SA8150P
  25. Affected versionversion=SA8155P
  26. Affected versionversion=SA8195P
  27. Affected versionversion=SA8295P
  28. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  29. Affected versionversion=Snapdragon X75 5G Modem-RF System
  30. Affected versionversion=SW5100
  31. Affected versionversion=SW5100P
  32. Affected versionversion=WCD9340
  33. Affected versionversion=WCD9341
  34. Affected versionversion=WCD9370
  35. Affected versionversion=WCD9380
  36. Affected versionversion=WCN3660B
  37. Affected versionversion=WCN3680B
  38. Affected versionversion=WCN3950
  39. Affected versionversion=WCN3980
  40. Affected versionversion=WCN3988
  41. Affected versionversion=WSA8810
  42. Affected versionversion=WSA8815
  43. Affected versionversion=WSA8830
  44. Affected versionversion=WSA8835

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=FastConnect 6900; version=FastConnect 7800; version=QAM8295P; version=QCA6391; version=QCA6574AU; version=QCA6595AU; version=QCA6696; version=QCA8081; version=QCA8337; version=QCC710; version=QCN6224; version=QCN6274; version=QCS410; version=QCS610; version=QFW7114; version=QFW7124; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8295P; version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon X75 5G Modem-RF System; version=SW5100; version=SW5100P; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9380; version=WCN3660B; version=WCN3680B; version=WCN3950; version=WCN3980; version=WCN3988; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8835

Published CVSS scores

6.7Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:H/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.

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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
Privilegesadmin
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.

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Technologies

Your stack

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Your stack

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