{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66593", "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "state": "PUBLISHED", "assignerShortName": "synology", "dateReserved": "2025-12-05T03:19:16.761Z", "datePublished": "2026-05-27T08:43:51.162Z", "dateUpdated": "2026-06-02T08:21:55.359Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Origin Validation Error", "cweId": "CWE-346", "type": "CWE"}]}], "affected": [{"vendor": "Synology", "product": "Synology Assistant", "versions": [{"version": "*", "status": "affected", "lessThan": "7.0.6-50085", "versionType": "semver"}], "defaultStatus": "affected"}], "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."}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"baseScore": 6.1, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "version": "3.1"}}], "references": [{"url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_17", "name": "Synology-SA-25:17 Synology Assistant", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "value": "Sheikh Rishad (https://x.com/sheikhrishad0)", "type": "finder"}], "providerMetadata": {"orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology", "dateUpdated": "2026-06-02T08:21:55.359Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-27T12:14:21.119490Z", "id": "CVE-2025-66593", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T12:15:15.534Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-66593", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-27T12:14:21.119490Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T12:14:26.762Z"}}], "cna": {"credits": [{"lang": "en", "type": "finder", "value": "Sheikh Rishad (https://x.com/sheikhrishad0)"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"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"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Synology", "product": "Synology Assistant", "versions": [{"status": "affected", "version": "*", "lessThan": "7.0.6-50085", "versionType": "semver"}], "defaultStatus": "affected"}], "references": [{"url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_17", "name": "Synology-SA-25:17 Synology Assistant", "tags": ["vendor-advisory"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-346", "description": "Origin Validation Error"}]}], "providerMetadata": {"orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology", "dateUpdated": "2026-06-02T08:21:55.359Z"}}}, "cveMetadata": {"cveId": "CVE-2025-66593", "state": "PUBLISHED", "dateUpdated": "2026-06-02T08:21:55.359Z", "dateReserved": "2025-12-05T03:19:16.761Z", "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "datePublished": "2026-05-27T08:43:51.162Z", "assignerShortName": "synology"}, "dataVersion": "5.2"}

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

{}