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MEDIUM · 6.1

CVE-2025-66592

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-servic...

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.

CVSS Score

6.1

MEDIUM

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

Affected Products

VendorProductVersions
SynologyActive Backup For Business Agent< 3.1.0-4967

Related Weaknesses (CWE)

CWE-346

References

FAQ

What is CVE-2025-66592?

CVE-2025-66592 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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-servic...

How severe is CVE-2025-66592?

CVE-2025-66592 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66592?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Active Backup For Business Agent.