MediaTek WLAN AP Driver Out-of-Bounds Write Vulnerability Leading to Privilege Escalation

Vulnerability

A vulnerability in the WLAN Access Point (AP) driver allows for a possible out-of-bounds write due to an incorrect bounds check. This flaw could lead to local privilege escalation, but requires the attacker to have already obtained system privileges. Exploitation does not require user interaction.

Impact

Exploitation of this vulnerability could result in unauthorized privilege escalation, allowing a user with system privileges to gain elevated rights or access.

Remediation

MediaTek has issued a patch for this vulnerability, which can be applied by device OEMs. Instructions for accessing the patch are available through the MediaTek Product Security Bulletin.

Added: Oct 14, 2025, 10:30 AM
Updated: Oct 14, 2025, 2:26 PM

Vulnerability Rating

Custom Algorithm
spread
8.1
impact
7.5
exploitability
3.0
remediation
7.7
relevance
0.7
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.