Zyxel USG/ZyWALL/VPN USG20W-VPN · Version Status
Zyxel USG/ZyWALL/VPN USG20W-VPN End of Life Date
Zyxel USG/ZyWALL/VPN USG20W-VPN end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
✓
Zyxel USG/ZyWALL/VPN USG20W-VPN is actively supported. EOL date: June 30, 2030.
📅 Get reminded before Zyxel USG/ZyWALL/VPN USG20W-VPN reaches EOL on June 30, 2030 — alerts 90, 30 & 7 days out.
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EOL Date
Jun 30, 2030
1397 days remaining
Latest Release
USG20W-VPN
Standard release
Release Date
—
Zyxel USG/ZyWALL/VPN USG20W-VPN 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 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 USG/ZyWALL/VPN USG20W-VPN end of life mean?
When Zyxel USG/ZyWALL/VPN USG20W-VPN 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: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Zyxel USG/ZyWALL/VPN USG20W-VPN past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Zyxel USG/ZyWALL/VPN USG20-VPN or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Zyxel USG/ZyWALL/VPN USG20W-VPN reach end of life?
Zyxel USG/ZyWALL/VPN USG20W-VPN reached end of life on June 30, 2030. That is 1397 days remaining.
Is Zyxel USG/ZyWALL/VPN USG20W-VPN still supported?
Yes, Zyxel USG/ZyWALL/VPN USG20W-VPN is currently supported. The EOL date is June 30, 2030.
What should I upgrade to from Zyxel USG/ZyWALL/VPN USG20W-VPN?
The recommended upgrade from Zyxel USG/ZyWALL/VPN USG20W-VPN is
Zyxel USG/ZyWALL/VPN USG20-VPN — the latest actively supported version. Check the
Zyxel USG/ZyWALL/VPN full timeline for all supported versions.
What are the security risks of running Zyxel USG/ZyWALL/VPN USG20W-VPN past EOL?
When Zyxel USG/ZyWALL/VPN USG20W-VPN reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Zyxel USG/ZyWALL/VPN should migrate immediately or implement compensating controls.