CVE-2025-20646

CRITICAL

MediaTek Software Development Kit < 7.6.7.2 - Out-of-bounds Write in WLAN AP Firmware

Title source: llm

Description

In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00389074; Issue ID: MSV-1803.

References (1)

Core 1

Core References

Vendor Advisory

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

Scores

CVSS v3 9.8

EPSS 0.0211

EPSS Percentile 84.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (1)

mediatek/software_development_kit < 7.6.7.2

Published Mar 03, 2025

Tracked Since Feb 18, 2026