{"id":"CVE-2026-13639","published":"2026-09-18T09:16:38.757","lastModified":"2026-09-18T20:17:06.860","description":"An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-331"],"vendors":[],"products":[],"references":[{"url":"https://www.synology.com/en-global/security/advisory/Synology_SA_26_13","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The vulnerability allows remote attackers to read or write arbitrary files and conduct denial-of-service attacks, posing a significant risk to Synology DiskStation Manager users.","exploitability":"Exploitation is relatively straightforward with no specific preconditions required, as it targets the login logic directly.","blast_radius":"If exploited, the attack could lead to unauthorized file manipulation and denial-of-service conditions, severely impacting system integrity and availability.","remediation":"Upgrade to Synology DiskStation Manager 7.2.1-69057-12 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","dos","file-write","login-vuln"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-27T09:02:32.400Z"}}