MediaTek WLAN Heap Overflow Vulnerability Allowing Privilege Escalation

Vulnerability

A heap overflow vulnerability has been identified in the WLAN access point driver of certain MediaTek chipsets. This vulnerability arises from an incorrect bounds check, leading to a possible out-of-bounds write. If exploited, it could allow a malicious actor with system privileges to escalate privileges further. The issue does not require user interaction for exploitation.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation.

Added: Nov 4, 2025, 7:29 AM
Updated: Nov 4, 2025, 2:32 PM

Vulnerability Rating

Custom Algorithm
spread
8.1
impact
7.5
exploitability
3.0
remediation
0.0
relevance
0.9
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.