CVE-2025-20911: Samsung Wear OS

Medium severity, CVSS 4.4. EPSS: 0.1% chance of exploitation in the next 30 days.

Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.

Affected products

• Samsung Wear OS: version 5.0 only

Published 2025-03-06. Last modified 2026-06-17.