High severity8.0CISA KEVNVD Advisory· Published Dec 8, 2023· Updated Jun 17, 2026
CVE-2023-47565
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- QNAP Systems Inc./VioStor NVRv5Range: 4.x
Patches
Vulnerability mechanics
References
2- www.qnap.com/en/security-advisory/qsa-23-48nvdVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
1- RondoDox: From Targeting Pwn2Own Vulnerabilities to Shotgunning ExploitsTrend Micro Research · Oct 9, 2025