#VU126264 Integer overflow in DiskStation Manager (DSM) - CVE-2026-40531

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Main Vulnerability Database Vulnerabilities #VU126264

#VU126264 Integer overflow in DiskStation Manager (DSM) - CVE-2026-40531

Published: April 16, 2026


Vulnerability identifier: #VU126264
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-40531
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
DiskStation Manager (DSM)
Software vendor:
Synology Inc.

Description

The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to integer overflow in DSM when processing crafted input. A remote user can send a specially crafted request to cause a denial of service.


Remediation

Install security update from vendor's website.

External links