Cyber Resilience

CVE-2025-27034

Critical

Published: 24 September 2025

Published
24 September 2025
Modified
28 November 2025
KEV Added
—
Patch
—
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0008 23.0th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-27034 is a critical-severity Improper Validation of Array Index (CWE-129) vulnerability in Qualcomm Fastconnect 6900 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 23.0th 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 selecting the PLMN from SOR failed list.

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
qca6174a firmware
all versions
qualcomm
qca6391 firmware
all versions
qualcomm
qca6574a firmware
all versions
qualcomm
qca6584au firmware
all versions
qualcomm
qca6595au firmware
all versions
qualcomm
qca6696 firmware
all versions
qualcomm
qca6698aq firmware
all versions
qualcomm
qca8081 firmware
all versions
+103 more product configuration(s) — see NVD for full list

Mitigating Controls

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

References