CVE-2025-20734

MEDIUM

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 if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00441507; Issue ID: MSV-4112.

References (1)

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

Scores

CVSS v3 5.3

EPSS 0.0001

EPSS Percentile 2.1%

Attack Vector LOCAL

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

Classification

CWE

CWE-122 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