Security Advisory

CVE-2026-40539

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-18 08:29:33
Last updated 2026-09-18 10:40:16
Assigner synology
CVSS score 7.1
State PUBLISHED

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.