OOB write in WLAN AP driver enabling local privilege escalation (Windows)
CVE-2025-20684 Published on July 8, 2025
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00416939; Issue ID: MSV-3422.
Vulnerability Analysis
CVE-2025-20684 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2025-20684 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2025-20684
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Affected Versions
MediaTek, Inc. MT7615, MT7622, MT7663 Version SDK release 5.1.0.0 and before is affected by CVE-2025-20684Exploit Probability
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.