CVE-2021-25477: Google Android

Medium severity, CVSS 4.9. EPSS: 0.5% chance of exploitation in the next 30 days.

An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.

Affected products

• Google Android: version 9.0 only; version 10.0 only; version 11.0 only

Published 2021-10-06. Last modified 2026-06-17.