CVE-2025-21023: Samsung Mobile Wcsextension For Galaxy Watch

Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days.

Improper access control in WcsExtension for Galaxy Watch prior to Android Watch 16 allows local attackers to access sensitive information.

Affected products

• Samsung Mobile Wcsextension For Galaxy Watch

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