Cyber Resilience

CVE-2025-21437

High

Published: 07 April 2025

Published
07 April 2025
Modified
20 August 2025
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0017 37.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21437 is a high-severity Use After Free (CWE-416) vulnerability in Qualcomm Qam8255P Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 37.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory corruption while processing memory map or unmap IOCTL operations simultaneously.

CWE(s)
CWE-416

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
qca6574 firmware
all versions
qualcomm
qca6574a firmware
all versions
qualcomm
qca6574au firmware
all versions
+21 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.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References