CVE-2026-40531

{"id": "CVE-2026-40531", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40531", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-18T19:09:17.165295Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@synology.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@synology.com", "affectedData": [{"vendor": "Synology", "product": "DiskStation Manager (DSM)", "versions": [{"status": "affected", "version": "7.3", "lessThan": "7.3.2-86009-2", "versionType": "semver"}, {"status": "affected", "version": "7.2.2", "lessThan": "7.2.2-72806-7", "versionType": "semver"}, {"status": "affected", "version": "7.2.1", "lessThan": "7.2.1-69057-10", "versionType": "semver"}, {"status": "unknown", "version": "0", "lessThan": "7.2.1", "versionType": "semver"}], "defaultStatus": "affected"}]}], "published": "2026-09-18T09:16:40.357", "references": [{"url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_06", "source": "security@synology.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security@synology.com", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "An integer overflow or wraparound vulnerability in File Operation in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to conduct limited denial-of-service attacks."}], "lastModified": "2026-09-18T20:17:15.743", "sourceIdentifier": "security@synology.com"}