CVE-2026-40538

{"id": "CVE-2026-40538", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40538", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-18T10:42:03.617664Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@synology.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security@synology.com", "affectedData": [{"vendor": "Synology", "product": "DiskStation Manager (DSM)", "versions": [{"status": "affected", "version": "7.3.2", "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": "2026-09-18T09:16:41.307", "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-307"}]}], "descriptions": [{"lang": "en", "value": "An improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to read limited files via brute-force attacks."}], "lastModified": "2026-09-18T19:07:38.320", "sourceIdentifier": "security@synology.com"}