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.
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.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | VioStor NVR | 4.x |
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection: