High severity7.1NVD Advisory· Published Sep 18, 2026· Updated Sep 18, 2026
CVE-2026-40539
CVE-2026-40539
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <7.2.1-69057-10, <7.2.2-72806-7, <7.3.2-86009-2
Patches
Vulnerability mechanics
References
1News mentions
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