๐Ÿ” CVE Alert

CVE-2026-15201

MEDIUM 5.9
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th

An 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.

CWE CWE-295
Vendor synology
Product diskstation manager (dsm)
Published Nov 12, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Affected Versions

Synology / DiskStation Manager (DSM)
7.4.1 < 7.4.1-90080-1 7.3.2 < 7.3.2-86009-5

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
synology.com: https://www.synology.com/en-global/security/advisory/Synology_SA_26_18

Credits

JUNYI LIU (@mosskappa)