CVE-2025-20654

Published: Apr 7, 2025Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

In wlan service, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00406897; Issue ID: MSV-2875.

Affected (10)

Products: Mediatek: Software Development Kit, Mt7622, Mt7915, Mt7916, Mt7981, Mt7986, Mt6890 · Openwrt: Openwrt

Mediatek

7 products

Software Development Kit

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Mediatek Software Development Kit	Up to 7.4.0.1
Mediatek Mt7622	All versions

Configuration B

5 vulnerable

Vulnerable Software	Affected Versions
Mediatek Software Development Kit	Up to 7.6.7.0
Mediatek Mt7915	All versions
Mediatek Mt7916	All versions
Mediatek Mt7981	All versions
Mediatek Mt7986	All versions

Configuration C

3 vulnerable

Vulnerable Software	Affected Versions
Openwrt Openwrt	Version 19.07.0
Openwrt Openwrt	Version 21.02.0
Mediatek Mt6890	All versions

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (1)

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

Source: security@mediatek.com

Vendor Advisory

Timeline

No history available yet.