BaseFortify

Publication date: 2025-10-14

Last updated on: 2025-10-16

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 remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00422323; Issue ID: MSV-3810.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-14

Last Modified

2025-10-16

Generated

2026-07-06

AI Q&A

2025-10-14

EPSS Evaluated

2026-07-05

NVD

CVE-2025-20712

Affected Vendors & Products

Vendor	Product	Version / Range
mediatek	software_development_kit	to 8.3.1.1 (inc)
mediatek	mt6990	*
mediatek	mt7990	*
mediatek	mt7991	*
mediatek	mt7992	*
mediatek	mt7993	*
openwrt	openwrt	21.02.0
openwrt	openwrt	23.05
mediatek	mt6990	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

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 allows a remote attacker who is physically close (proximal or adjacent) to escalate their privileges without needing any additional execution privileges or user interaction.

Impact Analysis

An attacker nearby could exploit this vulnerability to gain higher privileges on the affected system remotely, potentially allowing them to perform unauthorized actions or access sensitive information.

Mitigation Strategies

Apply the patch identified as WCNCR00422323 provided by the vendor to fix the out of bounds write issue in the wlan AP driver.

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