High severity8.1NVD Advisory· Published Sep 18, 2026· Updated Sep 18, 2026

CVE-2026-6205

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Synology/Diskstation Managerllm-fuzzy
Range: <7.2.1-69057-12, <7.2.2-72806-9, <7.3.2-86009-4, <7.4-90075

Patches

Vulnerability mechanics

References

www.synology.com/en-global/security/advisory/Synology_SA_26_13nvd

News mentions

Synology DSM: 19 Vulnerabilities Disclosed, Including Critical File Access Flaws
Vypr Intelligence · Sep 18, 2026

cvss	0.526
epss	0.000
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kev	0.000
patch	0.000
ransomware	0.000