Local Denial of Service Vulnerability in Mediatek Bluetooth Driver

CVE-2025-20677

What is CVE-2025-20677?

A vulnerability exists in the Bluetooth driver developed by Mediatek that could lead to a system crash due to an uncaught exception. This issue allows a local denial of service to occur without requiring user interaction for exploitation. The problem has been associated with specific versions of the driver prior to the application of the patch, which aims to mitigate the risk of this vulnerability affecting user systems. For more information, please refer to the Mediatek security bulletin.

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