CVE-2022-22687: Synology Diskstation Manager

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in Authentication functionality in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via unspecified vectors.

Affected products

• Synology Diskstation Manager: from 6.2, before 6.2.3-25426-3 (fixed in 6.2.3-25426-3)
• Synology Diskstation Manager Unified Controller: before 3.1-23033 (fixed in 3.1-23033)

Published 2022-03-25. Last modified 2026-06-17.