External Control of File Name or Path Vulnerability in Synology DiskStation Manager
CVE-2026-16550

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2026-16550?

The Media Parser in Synology DiskStation Manager contains a vulnerability that allows remote authenticated users to exploit external control over file names or paths. This flaw can lead to the unauthorized writing of arbitrary files within the system, enabling potential data loss, exposure, or further exploitation of the compromised environment. It's crucial for users of affected versions to apply the necessary updates to mitigate these risks.

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:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wesley “Alardiians” Colquitt ByteShyftStudios www.byteshyftstudios.com
.