Path Traversal Vulnerability in DiskStation Manager by Synology
CVE-2026-40536

4.3MEDIUM

Key Information:

Vendor

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

What is CVE-2026-40536?

An improper limitation of a pathname to a restricted directory in the Audio API of Synology DiskStation Manager allows remote authenticated users to exploit the vulnerability. This flaw can enable attackers to access non-sensitive information, posing a potential risk to user privacy and data integrity.

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:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

izut and Searat from the Web Hacker Team（https://github.com/web-hacker-team/）
.