Cyber Resilience

CVE-2025-21431

Medium

Published: 07 April 2025

Published
07 April 2025
Modified
19 August 2025
KEV Added
—
Patch
—
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0012 30.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21431 is a medium-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Qualcomm Qam8255P Firmware. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 30.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Information disclosure may be there when a guest VM is connected.

CWE(s)
CWE-367

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qualcomm
qam8255p firmware
all versions
qualcomm
qam8295p firmware
all versions
qualcomm
qam8620p firmware
all versions
qualcomm
qam8650p firmware
all versions
qualcomm
qam8775p firmware
all versions
qualcomm
qamsrv1h firmware
all versions
qualcomm
qamsrv1m firmware
all versions
qualcomm
qca6574a firmware
all versions
qualcomm
qca6574au firmware
all versions
qualcomm
qca6595 firmware
all versions
+26 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AU-8 Time Stamps
addresses: CWE-367

Timestamps meeting UTC or offset standards help identify TOCTOU issues through precise chronological reconstruction of check/use operations.

References