Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX · Version Status
Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX End of Life Date
Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX end-of-life date, support status, and CVE risk. Dates read at the vendor's own lifecycle pages (zyxel.com); the source of each date is on the product page.
✓
Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX is actively supported. EOL date: June 30, 2030.
📅 Get reminded before Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX reaches EOL on June 30, 2030 — alerts 90, 30 & 7 days out.
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EOL Date
Jun 30, 2030
1358 days remaining
Latest Release
5.43(ACFN.0)C0
Standard release
Release Date
—
Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX series
Attack Surface
10/30 Medium tier
CISA KEV Exposure
20/20 Named in CISA KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
All Zyxel ATP/USG FLEX/USG/ZyWALL/VPN Versions
| Version | Latest | EOL Date | Status |
|---|
| NSG300 |
1.33(ABOS.7)C0 |
Mar 31, 2022 |
EOL |
| NSG200 |
1.33(ABLD.7)C0 |
Mar 31, 2022 |
EOL |
| NSG100 |
1.33(ABEA.7)C0 |
Mar 31, 2022 |
EOL |
| NSG50 |
1.33(ABHP.7)C0 |
Mar 31, 2022 |
EOL |
| ZyWALL 1100 |
4.73(AAAC.2)C0 |
Dec 31, 2022 |
EOL |
| ZyWALL 310 |
4.73(AAAB.2)C0 |
Dec 31, 2022 |
EOL |
| ZyWALL 110 |
4.73(AAAA.2)C0 |
Dec 31, 2022 |
EOL |
| USG1900 |
4.73(AAPL.2)C0 |
Dec 31, 2022 |
EOL |
What does Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX end of life mean?
When Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Zyxel ATP/USG FLEX/USG/ZyWALL/VPN ATP100 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX reach end of life?
Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX reaches end of life on June 30, 2030. That is 1358 days remaining.
Is Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX still supported?
Yes, Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX is currently supported. The EOL date is June 30, 2030.
What should I upgrade to from Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX?
The recommended upgrade from Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX is
Zyxel ATP/USG FLEX/USG/ZyWALL/VPN ATP100 — the latest actively supported version. Check the
Zyxel ATP/USG FLEX/USG/ZyWALL/VPN full timeline for all supported versions.
What are the security risks of running Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX past EOL?
When Zyxel ATP/USG FLEX/USG/ZyWALL/VPN USG FLEX 100AX reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Zyxel ATP/USG FLEX/USG/ZyWALL/VPN should migrate immediately or implement compensating controls.