CVE-2025-66592

EUVD-2025-209962
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
synologyactive_backup_for_business_agent
𝑥
< 3.1.0-4967
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.synology.com/en-global/security/advisory/Synology_SA_25_16