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Is the TP-Link SM311LM still getting security updates?

The manufacturer guarantees security updates for the TP-Link SM311LM until 17 August 2028 or 31 December 2029, 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

17 August 2028to 31 December 2029
Device
TP-Link SM311LM (device)
Source
PSTI STATEMENT OF COMPLIANCE (TP-Link) (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

2025202620272028202920302031V3.30V4V4.20Today
Security updates per hardware version, to scale. The bar ends on the manufacturer's date; a faded end means "or later".

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
V3.30Supported17 August 2028Official end date published by the manufacturer.UK statement
V4Supported21 May 2029Official end date published by the manufacturer.UK statement
V4.20Supported31 December 2029 or laterMinimum guaranteed by the manufacturer: updates may continue after this date.UK statement

Questions

Is the TP-Link SM311LM still getting security updates?

The manufacturer guarantees security updates for the TP-Link SM311LM until 17 August 2028 or 31 December 2029, depending on the hardware version.

What does end of life mean for the TP-Link SM311LM?

After its end of life, the TP-Link SM311LM receives no more security fixes from TP-Link. 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: PSTI STATEMENT OF COMPLIANCE (TP-Link). Each date is shown exactly as published.

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