CVE-2026-40535 — MEDIUM (6.5)

Vulnerability Description

An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to write limited files and conduct limited denial-of-service attacks.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Related Weaknesses (CWE)

CWE-22

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_06

FAQ

What is CVE-2026-40535?

CVE-2026-40535 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-8600...

How severe is CVE-2026-40535?

CVE-2026-40535 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40535?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.