LastPatch
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Is the Zyxel EX5401-B1 still getting security updates?

The manufacturer guarantees security updates for the Zyxel EX5401-B1 until 11 December 2027 or 31 December 2027, depending on the hardware version.

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, depending on the version

11 December 2027to 31 December 2027
Device
Zyxel EX5401-B1 (router)
Source
Zyxel (service provider) End-of-Life products (Worldwide); Zyxel Product Security and Telecommunications Infrastructure (PSTI) Act (UK statement)

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

Support timeline

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

By hardware version

Dates differ between hardware versions and sometimes between markets. The version is on the label under the device.

Hardware versionStatusSecurity updates untilBasisSource
All versionsSupported11 December 2027Official end date published by the manufacturer.Worldwide
All versionsSupported31 December 2027Official end date published by the manufacturer.UK statement

Questions

Is the Zyxel EX5401-B1 still getting security updates?

The manufacturer guarantees security updates for the Zyxel EX5401-B1 until 11 December 2027 or 31 December 2027, depending on the hardware version.

What does end of life mean for the Zyxel EX5401-B1?

After its end of life, the Zyxel EX5401-B1 receives no more security fixes from Zyxel. 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: Zyxel (service provider) End-of-Life products; Zyxel Product Security and Telecommunications Infrastructure (PSTI) Act. Each date is shown exactly as published.

Every Zyxel device   Routers from every brand