VULNERABILITY INTELLIGENCE
CVE-2025-66592
CVSS score6.1 MEDIUM
EPSS probability0.09%
CISA KEVNot currently listed
Published2026-05-27
Last modified2026-10-07
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Description
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.
Weakness classification
- security@synology.com: CWE-346
Primary references
- security@synology.com — Vendor Advisory