CVE-2026-6205

HIGHCVSS 8.1

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.

Timeline

Published:September 18th, 2026 9:16 AM

Last modified:September 18th, 2026 8:17 PM

CVSS Scoring

CVSS v3: 8.1 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

CWE-73

References & Reports

Advisories, patches, and third-party reports

https://www.synology.com/en-global/security/advisory/Synology_SA_26_13

Source: NIST NVD · Data may lag official sources by up to one minute