CVE-2025-20740

MEDIUM

Mediatek Software Development Kit < 3.7 - TOCTOU Race Condition

Title source: rule

Description

In wlan STA driver, there is a possible out of bounds read due to a race condition. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435337; Issue ID: MSV-4036.

References (1)

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

Scores

CVSS v3 4.7

EPSS 0.0001

EPSS Percentile 1.1%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-367

Status published

Products (1)

mediatek/software_development_kit < 3.7

Published Nov 04, 2025

Tracked Since Feb 18, 2026