A command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to execute arbitrary commands.

We have already fixed the vulnerability in the following versions:
QuFirewall 2.3.3 ( 2023/03/27 ) and later
and later

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-23356
• https://www.qnap.com/en/security-advisory/qsa-23-14