CVE-2025-1021: Synology Diskstation Manager

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Missing authorization vulnerability in synocopy in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows remote attackers to read arbitrary files via unspecified vectors.

Affected products

• Synology Diskstation Manager: from 7.1, before 7.1.1-42962-8 (fixed in 7.1.1-42962-8); from 7.2.1-69057, before 7.2.1-69057-7 (fixed in 7.2.1-69057-7); from 7.2.2, before 7.2.2-72806-3 (fixed in 7.2.2-72806-3)

Published 2025-04-23. Last modified 2026-06-17.