End of life

Zyxel Firewalls (USG FLEX/ATP) · USG1900

All published support, including security fixes, has ended. The published end-of-support date was 2024-05-16 — 806 days ago.

Scope: software releaseAs of 2026-08-01

Lifecycle timeline

2022-06-30 — End of active support · End of maintenance
2024-05-16 — End of support · End of standard support

Why this status?

End of Development: 2022-06-30; End of Vulnerability Support: 2022-12-31; End of Service: 2022-12-31.

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

USG20-VPN — support ends 2030-06-30
USG20W-VPN — support ends 2030-06-30
SCR 50AXE — support ends 2028-12-31
USG2200 — support ends 2026-09-30

Reported as still supported by the cited source. Zyxel documents the upgrade path for your edition and contract — confirm there before planning change work.

Evidence

Zyxel End-of-Life product list Official · checked 2026-07-15
Zyxel EOL hardware data feed (JSON:API backing the end-of-life page table) Official · checked 2026-07-15
Zyxel End-of-Life Policy (service provider) Official · checked 2026-07-15
Archived EOL Model list (PDF) Official · checked 2026-07-15

Keep going

All Zyxel Firewalls (USG FLEX/ATP) lifecycle dates· 21 tracked models
Zyxel Firewalls (USG FLEX/ATP) security advisories· 0 tracked
Free CVE email alerts for Zyxel

Status derived deterministically from the published milestones. When a vendor does not publish a date, this page says so — it never guesses.