{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-12686", "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "state": "PUBLISHED", "assignerShortName": "synology", "dateReserved": "2025-11-04T06:21:03.851Z", "datePublished": "2026-05-27T08:37:03.455Z", "dateUpdated": "2026-05-27T08:37:03.455Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "cweId": "CWE-120", "type": "CWE"}]}], "affected": [{"vendor": "Synology", "product": "BeeStation Manager (BSM)", "versions": [{"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"}], "defaultStatus": "affected"}, {"vendor": "Synology", "product": "BeeStation OS", "versions": [{"version": "1.3", "status": "affected", "lessThan": "1.3.2-65648", "versionType": "semver"}, {"version": "0", "status": "unknown", "lessThan": "1.3", "versionType": "semver"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation Manager (BSM) before 1.3.2-65648 and Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors."}], "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"}}], "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"]}], "credits": [{"lang": "en", "value": "@Tek_7987 & @_Anyfun (@Synacktiv)", "type": "finder"}], "providerMetadata": {"orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology", "dateUpdated": "2026-05-27T08:37:03.455Z"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation Manager (BSM) before 1.3.2-65648 and Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors."}], "id": "CVE-2025-12686", "lastModified": "2026-05-27T09:16:26.357", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@synology.com", "type": "Primary"}]}, "published": "2026-05-27T09:16:26.357", "references": [{"source": "security@synology.com", "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_12"}], "sourceIdentifier": "security@synology.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "security@synology.com", "type": "Primary"}]}

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