CVE-2026-40531

Name of the Vulnerable Software and Affected Versions Synology DiskStation Manager versions prior to 7.2.1-69057-10 Synology DiskStation Manager versions prior to 7.2.2-72806-7 Synology DiskStation Manager versions prior to 7.3.2-86009-2

Description An integer overflow or wraparound issue exists in the File Operation component. This flaw allows remote authenticated users to perform limited denial-of-service attacks. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of bits.

Recommendations Update to version 7.2.1-69057-10 or later. Update to version 7.2.2-72806-7 or later. Update to version 7.3.2-86009-2 or later.