Improper Neutralization in Synology DiskStation Manager API
CVE-2026-75785

7.2HIGH

Key Information:

Vendor

Synology
Status
Diskstation Manager (dsm)
Vendor
CVE Published:
12 November 2026

What is CVE-2026-75785?

A vulnerability exists within the VPN API of Synology DiskStation Manager prior to versions 7.3.2-86009-5 and 7.4.1-90080-1, enabling authenticated remote users with administrative rights to improperly manipulate commands. This flaw can allow for arbitrary file access, including reading or writing sensitive files, as well as potential denial-of-service attacks.

Affected Version(s)

DiskStation Manager (DSM) 7.4.1

DiskStation Manager (DSM) 7.4.1 < 7.4.1-90080-1

DiskStation Manager (DSM) 7.3.2 < 7.3.2-86009-5

References

https://www.synology.com/en-global/security/advisory/Syno...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Warisse Valentin (Aytio)
.