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Advisory severityMedium6.1Synology

Medium [CVE-2025-66593] 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

This medium-severity Synology advisory covers CVE-2025-66593 affecting Synology Assistant.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

Synology-SA-25:17 Source published Source updated

VulniPulse record published Record updated

CVE-2025-66593
Affected products & platforms
SynologyUnclassified
Open source advisory

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Summary

Synology has released a security update for the Assistant on Windows to address a vulnerability: CVE-2025-66593 allows local users to write arbitrary files with restricted content. Please refer to the '

Affected product named by the advisory: Synology Assistant.

Affected versions
  • Synology Assistant before 7.0.6-50085

Official advisory · high-confidence parse· fetched 3 days ago·verify at source

Fixed versions
  • 7.0.6-50085

Official advisory · high-confidence parse· fetched 3 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade the affected Synology product to a fixed release: 7.0.6-50085.

Official advisory · high-confidence parse· fetched 3 days ago·verify at source

Discussion(0)

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