CVE-2025-66592

Published: May 27, 2026Modified: Jun 17, 2026

5.6

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H

Exploitability: 1.3 / Impact: 4.2

Source: NVD

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.

Affected (1)

Products: Synology: Active Backup For Business Agent

Synology

1 product

Active Backup For Business Agent

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Synology Active Backup For Business Agent	Before 3.1.0-4967

Related CWEs

CWE-346

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References (1)

https://www.synology.com/en-global/security/advisory/Synology_SA_25_16

Source: security@synology.com

Vendor Advisory

Timeline

No history available yet.