CVE-2025-66593

{"id": "CVE-2025-66593", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@synology.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.6, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.2, "exploitabilityScore": 1.3}]}, "published": "2026-05-27T09:16:27.760", "references": [{"url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_17", "tags": ["Vendor Advisory"], "source": "security@synology.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@synology.com", "description": [{"lang": "en", "value": "CWE-346"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-02T16:09:02.013", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:synology:assistant:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D60EF831-1679-44D7-802D-C4454C34D682", "versionEndExcluding": "7.0.6-50085"}], "operator": "OR"}]}], "sourceIdentifier": "security@synology.com"}