CVE-2021-32486: MediaTek Modem

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00500621; Issue ID: ALPS04964928.

Affected products

• MediaTek Modem: version lr12a only; version lr13 only

Published 2021-09-09. Last modified 2026-06-17.