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)

Core 1

Core References

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/November-2025

Scores

CVSS v3 5.3

EPSS 0.0001

EPSS Percentile 1.3%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-122 CWE-787

Status published

Products (3)

mediatek/software_development_kit < 7.6.7.2

openwrt/openwrt 19.07.0

openwrt/openwrt 21.02.0

Published Nov 04, 2025

Tracked Since Feb 18, 2026