CVE-2025-20737

HIGH

Mediatek Software Development Kit < 7.6.7.2 - Out-of-Bounds Write

Title source: rule

Description

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435343; Issue ID: MSV-4040.

References (1)

[Vendor Advisory] https://corp.mediatek.com/product-security-bulletin/November-2025

Scores

CVSS v3 7.8

EPSS 0.0002

EPSS Percentile 5.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-121 CWE-787

Status published

Affected Products (3)

mediatek/software_development_kit < 7.6.7.2

openwrt/openwrt

Timeline

Published Nov 04, 2025

Tracked Since Feb 18, 2026