Disclosure summary
An 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.
Source-reported weakness categories
CWE-346
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-66592
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| synology | active_backup_for_business_agent | * {"versionEndExcluding":"3.1.0-4967"} |
Original records & references
- NIST NVD record
- CVE Program record
- www.synology.com — Vendor Advisory
PUBLISHED 2026-05-27T05:16:27-04:00
MODIFIED 2026-10-07T04:10:00-04:00
INGESTED 2026-10-10T20:25:11-04:00