Cyber Resilience

CVE-2025-21434

High

Published: 07 April 2025

Published
07 April 2025
Modified
06 October 2025
KEV Added
—
Patch
—
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0088 75.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21434 is a high-severity Buffer Over-read (CWE-126) vulnerability in Qualcomm Qcs8300 Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 24.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Transient DOS may occur while parsing EHT operation IE or EHT capability IE.

CWE(s)
CWE-126

Related Threats

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

Affected Assets

qualcomm
qcs8300 firmware
all versions
qualcomm
qcs8550 firmware
all versions
qualcomm
qcs9100 firmware
all versions
qualcomm
qfw7114 firmware
all versions
qualcomm
qfw7124 firmware
all versions
qualcomm
qmp1000 firmware
all versions
qualcomm
video collaboration vc3 platform firmware
all versions
qualcomm
video collaboration vc5 platform firmware
all versions
qualcomm
sa6155p firmware
all versions
qualcomm
sa7255p firmware
all versions
+112 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