Sensitive Information Exposure in Synology DiskStation Manager
CVE-2026-40533

5.3MEDIUM

Key Information:

Vendor

Synology
Status
Diskstation Manager (dsm)
Vendor
CVE Published:
18 September 2026

What is CVE-2026-40533?

A vulnerability in Synology DiskStation Manager's Desktop API prior to specific releases may allow remote attackers to exploit data queries to obtain non-sensitive information. This exposure can lead to unauthorized access to potentially sensitive data, underscoring the importance of updating to the latest versions to mitigate the risk. Users are encouraged to review the security advisory for more details on the vulnerability and updates.

Affected Version(s)

DiskStation Manager (DSM) 7.3

DiskStation Manager (DSM) 7.3 < 7.3.2-86009-2

DiskStation Manager (DSM) 7.2.2 < 7.2.2-72806-7

References

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

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Allendraa A/L Anbalagan
.