Medium [CVE-2025-66592] origin validation error vulnerability in Synology Active Backup for Business Agent before 3.1.0-4967 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation
This medium-severity Synology advisory covers CVE-2025-66592 affecting Synology Active Backup for Business Agent.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Android app · Google Play
Monitor future Synology CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Summary
Synology has released a security update for the Active Backup for Business Agent on Windows to address a vulnerability: CVE-2025-66592 allows local users to write arbitrary files with restricted content. Please refer to the '
Affected product named by the advisory: Synology Active Backup for Business Agent.
- Synology Active Backup for Business Agent before 3.1.0-4967
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
- 3.1.0-4967
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- Upgrade the affected Synology product to a fixed release: 3.1.0-4967.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.