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CVE-2025-66592
Published: May 27, 2026
Modified: Jun 2, 2026
PUBLISHED
CVSS v3.1
6.1
MEDIUM
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.
| Vendor | Product | Versions |
|---|---|---|
Synology | Synology Active Backup for Business Agent | affected * - < 3.1.0-4967 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
References
Synology-SA-25:16 Synology Active Backup for Business Agent
vendor-advisory
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