CVE-2026-20401: MediaTek NR15

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

In Modem, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01738310; Issue ID: MSV-5933.

Affected products

• MediaTek NR15: affected versions not specified

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