CVE-2025-66593

Published May 27, 2026

Last updated 11 days ago

Overview

Description
An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.
Source
security@synology.com
NVD status
Analyzed
Products
assistant

Risk scores

CVSS 3.1

Type
Primary
Base score
5.6
Impact score
4.2
Exploitability score
1.3
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
Severity
MEDIUM

Weaknesses

security@synology.com
CWE-346

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.