Question 1

What is the EOL Risk Score for QNAP NAS TR-004U?

Accepted Answer

QNAP NAS TR-004U has an EOL Risk Score™ of 30 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (0/40), Attack Surface (10/30), CISA KEV Exposure (20/20), and Extended Support Availability (0/10).

Question 2

Is QNAP NAS TR-004U still supported?

Accepted Answer

QNAP NAS TR-004U is currently supported. End of life is scheduled for a future date. Plan your migration before that date to avoid security risk.

Question 3

When does QNAP NAS TR-004U reach end of life?

Accepted Answer

The end of life date for QNAP NAS TR-004U is not yet scheduled. Check the full QNAP NAS version timeline at endoflife.ai/qnap-nas.html for the latest information.

Question 4

What are the security risks of running QNAP NAS TR-004U after end of life?

Accepted Answer

After end of life, QNAP NAS TR-004U no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.