QTS, QuTS hero, QuTScloud
Description
An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users 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 QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.4.2596 build 20231128 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
An OS command injection in QNAP operating systems allows authenticated users to execute arbitrary commands over the network.
Vulnerability
An OS command injection vulnerability exists in QNAP QTS, QuTS hero, and QuTScloud operating systems. The flaw can be triggered when the system is in a certain configuration, allowing command injection via network requests. Affected versions include QTS 5.1.x and 4.5.x, QuTS hero h5.1.x and h4.5.x, and QuTScloud 5.x [1].
Exploitation
To exploit this vulnerability, an attacker must have network access and the ability to send specially crafted requests to the affected system. User interaction may be required depending on the specific configuration. The exact attack vector and necessary privileges are not detailed in the available references [1].
Impact
Successful exploitation can allow users to execute arbitrary operating system commands on the device via the network. This could lead to full compromise of the NAS, including data exposure, modification, or disruption of services [1].
Mitigation
QNAP has fixed the vulnerability in the following versions: QTS 5.1.4.2596 build 20231128 and later, QTS 4.5.4.2627 build 20231225 and later, QuTS hero h5.1.4.2596 build 20231128 and later, QuTS hero h4.5.4.2626 build 20231225 and later, and QuTScloud c5.1.5.2651 and later [1]. Users should update their systems to the latest available version. No workarounds are provided.
AI Insight generated on May 25, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
6- QNAP Systems Inc./QTSv5Range: 5.1.x
- QNAP Systems Inc./QuTScloudv5Range: c5.x.x
- QNAP Systems Inc./QuTS herov5Range: h5.1.x
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
0No linked articles in our index yet.