MediaTek WLAN STA DoS via excessive logging
CVE-2026-20482 Published on August 3, 2026
In wlan STA FW, there is a possible system becoming unresponsive due to logging. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00486814; Issue ID: MSV-6824.
Vulnerability Analysis
Attack Vector:
ADJACENT_NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Affected Versions
MediaTek, Inc. MediaTek chipset:- Version MT7902 is affected.
- Version MT7921 is affected.
- Version MT7922 is affected.
- Version MT8518S is affected.
- Version MT8532 is affected.