QVR: OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x.
Summary
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
CISA Known Exploited Vulnerability
- Listed:
- Dec 21, 2023 · federal remediation due Jan 11, 2024
- Required action:
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Ransomware use:
- Unknown
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
Mitigation
Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 5 hours ago·verify at source
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