CVE-2023-47565
Description
An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network.
We have already fixed the vulnerability in the following versions:
QVR Firmware 5.0.0 and later
Summary dbcve.org
OS command injection vulnerability in legacy QNAP VioStor NVR devices running QVR Firmware 4.x allows authenticated users to execute arbitrary OS commands via network, likely due to insufficient input sanitization in web interface parameters.
Mitigation
Upgrade affected VioStor NVR devices to QVR Firmware 5.0.0 or later. If upgrades are not possible, restrict administrative access to trusted IP addresses and monitor for suspicious command execution.