LastPatch
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Is the QNAP TS-451DeU still getting security updates?

The manufacturer guarantees security updates for the QNAP TS-451DeU until 31 December 2027.

The date after which a device gets no more security fixes is also called its end of life (EOL) or end of support.

Supported

Security updates guaranteed until

31 December 2027

414 days left on 12 November 2026

Device
QNAP TS-451DeU (NAS)
Basis
Official end date published by the manufacturer.
As written
Technical Support and Security Updates: 2027-12-31
Source
QNAP Product Support Status (Hardware) (Worldwide)

What to do. Keep automatic updates on, or check for new firmware every few months. Nothing else to do for now.

Support timeline

20252026202720282029All versionsToday
Security updates per hardware version, to scale. The bar ends on the manufacturer's date.

Questions

Is the QNAP TS-451DeU still getting security updates?

The manufacturer guarantees security updates for the QNAP TS-451DeU until 31 December 2027.

What does end of life mean for the QNAP TS-451DeU?

After its end of life, the QNAP TS-451DeU receives no more security fixes from QNAP. It keeps working, but any vulnerability found later stays open, which makes it an easy target once attackers know about it.

Where does this date come from?

From the manufacturer: QNAP Product Support Status (Hardware). Each date is shown exactly as published.

Every QNAP device   NAS drives from every brand