CVE-2025-21461

Local memory corruption via virtual CDM registers

Published Aug 6, 2025 · Updated Feb 26, 2026

Out-of-bounds write in Qualcomm Snapdragon Camera_Linux allows local users with low privileges to corrupt memory through virtual CDM registers. Camera_Linux writes beyond the intended memory boundary while programming registers through virtual CDM; Qualcomm has not disclosed the faulty function or missing bounds check. Local low-privileged access is required; Qualcomm has not published whether exploitation causes code execution, data access, or a device crash.

CVSS severity7.8
High
EPSS probability0.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Qualcomm Snapdragon Camera_Linux allows local users with low privileges to corrupt memory through virtual CDM registers. Camera_Linux writes beyond the intended memory boundary while programming registers through virtual CDM; Qualcomm has not disclosed the faulty function or missing bounds check. Local low-privileged access is required; Qualcomm has not published whether exploitation causes code execution, data access, or a device crash.

The record

CVE
CVE-2025-21461
Published
Aug 6, 2025
Updated
Feb 26, 2026
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-787
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 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=FastConnect 6900
  2. Affected versionversion=FastConnect 7800
  3. Affected versionversion=SM6650
  4. Affected versionversion=SM7635
  5. Affected versionversion=SM7675
  6. Affected versionversion=SM7675P
  7. Affected versionversion=SM8635
  8. Affected versionversion=SM8635P
  9. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  10. Affected versionversion=Snapdragon 8 Gen 3 Mobile Platform
  11. Affected versionversion=WCD9370
  12. Affected versionversion=WCD9375
  13. Affected versionversion=WCD9378
  14. Affected versionversion=WCD9380
  15. Affected versionversion=WCD9390
  16. Affected versionversion=WCD9395
  17. Affected versionversion=WCN6650
  18. Affected versionversion=WCN6755
  19. Affected versionversion=WSA8830
  20. Affected versionversion=WSA8832
  21. Affected versionversion=WSA8835
  22. Affected versionversion=WSA8840
  23. Affected versionversion=WSA8845
  24. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=FastConnect 6900; version=FastConnect 7800; version=SM6650; version=SM7635; version=SM7675; version=SM7675P; version=SM8635; version=SM8635P; version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8 Gen 3 Mobile Platform; version=WCD9370; version=WCD9375; version=WCD9378; version=WCD9380; version=WCD9390; version=WCD9395; version=WCN6650; version=WCN6755; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

7.8Qualcomm, Inc.CVSS: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.

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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write

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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