MajorCritical vulnerability
CVE-2026-6205 (CVSS 8.1)
NVD · officialPublished Sep 18, 2026Risk 37/100EPSS 0.3%
An external control of file name or path vulnerability in Upload API 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 authenticated users to write arbitrary files and conduct denial-of-service attacks.
Technical details
CVSS
8.1
AV:NetworkAC:LowPR:LowUI:NoneC:NoneI:HighA:High
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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