Microsoft WCNCR WLAN STA Driver Crash Causing Local DoS
CVE-2025-20676 Published on June 2, 2025

In wlan STA driver, there is a possible system crash due to an uncaught exception. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00412240; Issue ID: MSV-3293.

NVD

Vulnerability Analysis

CVE-2025-20676 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.


Products Associated with CVE-2025-20676

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Affected Versions

MediaTek, Inc. MT7902, MT7921, MT7922, MT7925, MT7927 Version NB SDK release 3.6 and before is affected by CVE-2025-20676

Exploit Probability

EPSS
0.04%
Percentile
11.02%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.