BaseFortify

Publication date: 2025-10-14

Last updated on: 2025-10-15

Assigner: MediaTek, Inc.

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: WCNCR00421149; Issue ID: MSV-3728.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-14

Last Modified

2025-10-15

Generated

2026-07-06

AI Q&A

2025-10-14

EPSS Evaluated

2026-07-05

NVD

CVE-2025-20716

Affected Vendors & Products

Vendor	Product	Version / Range
mediatek	software_development_kit	to 7.6.7.2 (inc)
mediatek	mt6890	*
mediatek	mt7615	*
mediatek	mt7622	*
mediatek	mt7663	*
mediatek	mt7915	*
mediatek	mt7916	*
mediatek	mt7981	*
mediatek	mt7986	*
openwrt	openwrt	19.07.0
openwrt	openwrt	21.02.0
mediatek	mt6890	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds write in the wlan AP driver caused by an incorrect bounds check. It can lead to local escalation of privilege if a malicious actor already has System privilege. Exploitation does not require user interaction.

Impact Analysis

The vulnerability could allow a malicious actor with System privilege to escalate their privileges locally, potentially gaining higher access or control on the affected device. This could compromise system security and stability.

Mitigation Strategies

Apply the security patch identified as Patch ID: WCNCR00421149 provided by MediaTek to the affected wlan AP driver. Contact your device OEM for the updated firmware or driver that includes this patch to mitigate the vulnerability.

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