Cyber Resilience

CVE-2025-20712

High

Published: 14 October 2025

Published
14 October 2025
Modified
16 October 2025
KEV Added
—
Patch
—
CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0004 11.7th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-20712 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Mediatek Mt6990. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 11.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.…

more

Patch ID: WCNCR00422323; Issue ID: MSV-3810.

CWE(s)
CWE-122

Related Threats

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

Affected Assets

mediatek
software development kit
≤ 8.3.1.1
openwrt
openwrt
21.02.0, 23.05

Mitigating Controls

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

References