CVE-2026-40535CWE-22path-traversal

CVE-2026-40535

Medium · published September 18, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
42.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00503 · 42.2th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-18T13:16Z
References (1)
https://www.synology.com/en-global/security/advisory/Synology_SA_26_06 · [email protected]
EPSS history
Timeline
  • 19 SEP 03:52Z
    EPSS moved — → 0%
    epss
  • 18 SEP 08:28Z
    An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before…
    cvelistv5