An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute commands via a network. QuTScloud c5.1.x is not affected. We have already fixed the vulnerability in the following versions: QuTS hero h4.5.4.2626 build 20231225 and later QTS 4.5.4.2627 build 20231225 and later