CVE-2025-20677: MediaTek Nbiot SDK

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In Bluetooth 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: WCNCR00412256; Issue ID: MSV-3284.

Affected products

• MediaTek Nbiot SDK: up to and including 3.6

Published 2025-06-02. Last modified 2026-06-17.