CVE-2025-20681

CRITICAL

MediaTek Software Development Kit < 5.1.0.0 - Out-of-bounds Write in WLAN AP Driver

Title source: llm
STIX 2.1

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: WCNCR00416936; Issue ID: MSV-3446.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0076
EPSS Percentile 73.5%
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 yes
Technical Impact total

Details

CWE
CWE-787
Status published
Products (3)
mediatek/software_development_kit < 5.1.0.0
openwrt/openwrt 19.07.0
openwrt/openwrt 21.02.0
Published Jul 08, 2025
Tracked Since Feb 18, 2026