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.
We have already fixed the vulnerability in the following versions:
QTS 5.1.4.2596 build 20231128 and later
QuTS hero h5.1.4.2596 build 20231128 and later
QuTScloud c5.1.5.2651 and later
Severity
CVSS 3.1
7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)