{"id":"CVE-2025-12686","state":"PUBLISHED","title":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute ","description":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors.","publishedAt":"2026-05-27T08:37:03.455Z","updatedAt":"2026-05-27T15:13:20.556Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"synology"},"assigner":"synology","products":["Synology BeeStation OS"],"affected":[{"vendor":"Synology","product":"BeeStation OS","defaultStatus":"affected","versions":[{"version":"1.3","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"1.2","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"1.1","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"1.0","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"0","status":"unknown","lessThan":"1.0","versionType":"semver"}]}],"references":["https://www.synology.com/en-global/security/advisory/Synology_SA_25_12"],"weaknesses":["CWE-120"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/12xxx/CVE-2025-12686.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-12686","state":"PUBLISHED","datePublished":"2026-05-27T08:37:03.455Z","dateUpdated":"2026-05-27T15:13:20.556Z","assignerShortName":"synology","assignerOrgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","dateReserved":"2025-11-04T06:21:03.851Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors."}],"affected":[{"vendor":"Synology","product":"BeeStation OS","defaultStatus":"affected","versions":[{"version":"1.3","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"1.2","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"1.1","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"1.0","status":"affected","lessThan":"1.3.2-65648","versionType":"semver"},{"version":"0","status":"unknown","lessThan":"1.0","versionType":"semver"}]}],"references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_25_12","name":"Synology-SA-25:12 BeeStation (PWN2OWN 2025)","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","lang":"en","description":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","type":"CWE"}]}],"providerMetadata":{"shortName":"synology","orgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","dateUpdated":"2026-05-27T15:13:20.556Z"},"credits":[{"lang":"en","value":"@Tek_7987 & @_Anyfun (@Synacktiv)","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-27T13:43:56.628449Z","id":"CVE-2025-12686","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-27T13:44:11.255Z"}}]}}}