Synology Assistant vulnerabilities

3 CVEs affecting Synology Assistant, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-4793, published 2026-08-03.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2017-11160, published 2017-08-18. High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days. Multiple untrusted search path vulnerabilities in installer in Synology Assistant before 6.1-15163 on Windows allows local attackers to execute arbitrary code and conduct DLL hijacking attack via a…
• CVE-2026-4793, published 2026-08-03. High severity, CVSS 7.3. EPSS: 0.1% chance of exploitation in the next 30 days. An incorrect default permissions vulnerability in Synology Assistant before 7.0.7-50095 allows local users to read or write arbitrary files and conduct denial-of-service during installation.
• CVE-2025-66593, published 2026-05-27. Medium severity, CVSS 5.6. EPSS: 0.1% chance of exploitation in the next 30 days. 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.