An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following versions:
QTS 5.0.1.2277 and later
QTS 4.5.4.2280 build 20230112 and later
QuTS hero h5.0.1.2277 build 20230112 and later
QuTS hero h4.5.4.2374 build 20230417 and later
QuTScloud c5.0.1.2374 and later