CVE-2026-40539

HIGH Status: Received

CVSS Scores

CVSS v3.x Base Score
7.1
HIGH

Description

An improper certificate validation vulnerability in Email API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows man-in-the-middle attackers to read or write arbitrary files and conduct denial-of-service attacks.

Published
September 18, 2026 9:16 AM
Last Modified
September 18, 2026 11:17 AM
Source
[email protected]

Weaknesses (CWE)

CWE-295

References

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