Incorrect permission assignment for critical resource in DiskStation Manager (DSM) - CVE-2026-13673
Published: September 20, 2026
Vulnerability identifier: #VU151481
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-13673
CWE-ID: CWE-732
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to read or write arbitrary files or cause a denial of service.
The vulnerability exists due to incorrect permission assignment for critical resource in LDAP API when handling LDAP API requests. A remote user can exploit the vulnerability to read or write arbitrary files or cause a denial of service.
Affected software
DiskStation Manager (DSM)
How to mitigate CVE-2026-13673
Install security update from vendor's website.
DiskStation Manager (DSM) - addressed in versions 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4, 7.4-90075