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Vulnerabilities

Vulnerability · CVE-2025-47376

Memory Corruption when concurrent access to shared buffer occurs during IOCTL calls.

Published Mar 2, 2026 · catalog updated Jun 17, 2026 · ar8031 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2025-47376. EPSS is 0.07%. Act only if a listed version of ar8031 firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.07%
Remediation
Advisory link
Affected products
cpe qualcomm/ar8031 firmware · cpe qualcomm/ar8035 firmware · cpe qualcomm/csra6620 firmware · cpe qualcomm/csra6640 firmware · cpe qualcomm/fastconnect 6200 firmware · cpe qualcomm/fastconnect 6700 firmware

Memory Corruption when concurrent access to shared buffer occurs during IOCTL calls.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe qualcomm/ar8031 firmwareversion unspecified
  • cpe qualcomm/ar8035 firmwareversion unspecified
  • cpe qualcomm/csra6620 firmwareversion unspecified
  • cpe qualcomm/csra6640 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6200 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6700 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6800 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6900 firmwareversion unspecified
  • cpe qualcomm/fastconnect 7800 firmwareversion unspecified
  • cpe qualcomm/flight rb5 5g platform firmwareversion unspecified
  • cpe qualcomm/fwa gen 3 ultra firmwareversion unspecified
  • cpe qualcomm/g1 gen 1 firmwareversion unspecified

How to fix CVE-2025-47376

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-47376. EPSS is 0.07%. Act only if a listed version of ar8031 firmware is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS 0.07%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 2, 2026 · NIST NVD

    Detected

    Memory Corruption when concurrent access to shared buffer occurs during IOCTL calls.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Memory Corruption when concurrent access to shared buffer occurs during IOCTL calls.

Sources

  • CVE.orgVulnerability recordCVE-2025-47376

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-47376

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2025-47376

    Memory Corruption when concurrent access to shared buffer occurs during IOCTL calls.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.