Cyber Resilience

CVE-2025-21447

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 0.0013 31.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21447 is a high-severity Improper Validation of Array Index (CWE-129) vulnerability in Qualcomm Fastconnect 6900 Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 31.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory corruption may occur while processing device IO control call for session control.

CWE(s)
CWE-129

Related Threats

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

Affected Assets

qualcomm
fastconnect 6900 firmware
all versions
qualcomm
fastconnect 7800 firmware
all versions
qualcomm
sc8380xp firmware
all versions
qualcomm
wcd9380 firmware
all versions
qualcomm
wcd9385 firmware
all versions
qualcomm
wsa8840 firmware
all versions
qualcomm
wsa8845 firmware
all versions
qualcomm
wsa8845h firmware
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References