CVE-2025-66592

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-05-27

Updated: 2026-06-02

Risk Information

CVSS v2

Base Score: 5.2

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:P/A:C

Severity: Medium

CVSS v3

Base Score: 5.6

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