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Unrated severityCISA KEVNVD Advisory· Published Dec 8, 2023· Updated Oct 21, 2025

Legacy VioStor NVR

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

2
  • Qnap/VioStorllm-fuzzy
    Range: <=4.x
  • QNAP Systems Inc./VioStor NVRv5
    Range: 4.x

Patches

Vulnerability mechanics

References

1

News mentions

1