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End of life

Zyxel NSG300 end-of-life and support dates

Zyxel NSG300 reached end of support on 2023-09-30. That was 1138 days ago. Active support ended on 2021-09-30.

Scope: hardware modelListed under Zyxel Firewalls (USG FLEX/ATP)As of 2026-11-11

Lifecycle timeline

  • 2021-09-30 — End of active support · End of maintenance
  • 2023-09-30 — End of support · End of standard support

When is Zyxel NSG300 end of life?

Zyxel NSG300 reached end of support on 2023-09-30. Active support ended on 2021-09-30.

Source: Zyxel End-of-Life product list

Is Zyxel NSG300 still supported?

No. Support ended on 2023-09-30.

Source: Zyxel End-of-Life product list

Why this status?

“End of active support” (end-of-maintenance, 2021-09-30, confirmed) has passed and no later support phase is published.

Other Firewalls (USG FLEX/ATP) models still inside the support window

The cited source lists these as still supported. They are not a replacement recommendation; check Zyxel's guidance for your deployment before planning change work.

Evidence

Related

Status is calculated from the published milestones. When a vendor does not publish a date, this page says so and does not estimate one.