Cyber Resilience

CVE-2025-21441

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 0.0010 27.5th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21441 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Qualcomm Fastconnect 7800 Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 27.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory corruption when IOCTL call is invoked from user-space to write board data to WLAN driver.

CWE(s)
CWE-787

Related Threats

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

Affected Assets

qualcomm
fastconnect 7800 firmware
all versions
qualcomm
qca1062 firmware
all versions
qualcomm
qca1064 firmware
all versions
qualcomm
qca2062 firmware
all versions
qualcomm
qca2064 firmware
all versions
qualcomm
qca2065 firmware
all versions
qualcomm
qca2066 firmware
all versions
qualcomm
qca6391 firmware
all versions
qualcomm
qca6420 firmware
all versions
qualcomm
qca6430 firmware
all versions
+39 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-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References