{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40538","assignerOrgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","state":"PUBLISHED","assignerShortName":"synology","dateReserved":"2026-04-14T01:01:14.607Z","datePublished":"2026-09-18T08:29:15.878Z","dateUpdated":"2026-09-18T10:42:50.358Z"},"containers":{"cna":{"affected":[{"defaultStatus":"affected","product":"DiskStation Manager (DSM)","vendor":"Synology","versions":[{"lessThan":"7.3.2-86009-2","status":"affected","version":"7.3.2","versionType":"semver"},{"lessThan":"7.2.2-72806-7","status":"affected","version":"7.2.2","versionType":"semver"},{"lessThan":"7.2.1-69057-10","status":"affected","version":"7.2.1","versionType":"semver"},{"lessThan":"7.2.1","status":"unknown","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Andreas Rothenbacher (error401.de)"}],"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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-307","description":"Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}]}],"references":[{"name":"Synology-SA-26:06 DSM","url":"https://www.synology.com/en-global/security/advisory/Synology_SA_26_06"}],"providerMetadata":{"orgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","shortName":"synology","dateUpdated":"2026-09-18T09:27:24.605Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T10:42:03.617664Z","id":"CVE-2026-40538","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":"2026-09-18T10:42:50.358Z"}}]}}