CVE-2026-15201 · Infrastructure
NO FIX YET · SEE WHAT TO DO
The Support Form in Synology DiskStation Manager does not properly validate certificates when submitting a support request. A network attacker positioned between the NAS and Synology can read arbitrary files and write specific files during that submission.
first public Nov 12, 2026 · 1 source
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Only DiskStation Manager installations that use the Support Form are exposed, and the attacker must sit on the network path during submission. Systems on DSM versions before the fixed builds should be reviewed; the sources do not say whether the default configuration is affected.
Not affected if no-support-form-use, patched-dsm
Who cares dsm, nas, self-hosted, synology
7.3.2-86009-5 for the 7.3 branch7.4.1-90080-1 for the 7.4 branchAn improper certificate validation vulnerability in the Support Form in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows man-in-the-middle attackers to read arbitrary files and write specific files during support form submission.
This page as .md · .json · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
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