Assertion Vulnerability in Synology DiskStation Manager
CVE-2026-85098

5.3MEDIUM

Key Information:

Vendor

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

What is CVE-2026-85098?

A reachable assertion vulnerability exists in the synoscgi component of Synology DiskStation Manager prior to versions 7.3.2-86009-5 and 7.4.1-90080-1. This vulnerability allows remote attackers to execute limited denial-of-service attacks, potentially impacting the availability of the affected systems. Users are advised to update to the latest versions to mitigate this risk.

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:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

0rca and TulongFeng
.