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Status published
Medium
CVE-2025-66592
An origin validation error vulnerability in Synology Active Backup for...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Sheikh Rishad (https://x.com/sheikhrishad0)
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Affected Vendor
Synology
View all reports →Affected Software
Synology Active Backup for Business Agent
Vulnerable Versions:
*
Timeline
Official Publish:
May 27th, 2026
Last Modified:
June 2nd, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H