CVE-2025-20680: MediaTek Nbiot SDK

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

In Bluetooth 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: WCNCR00418044; Issue ID: MSV-3482.

Affected products

• MediaTek Nbiot SDK: up to and including 3.6

Published 2025-07-08. Last modified 2026-06-17.