Firewall
ZyXEL

ZyXEL ZyXEL USG20-VPN

- The ZyXEL USG20-VPN is a compact and feature-rich VPN firewall designed for small to medium-sized businesses.

ZyXEL ZyXEL USG20-VPN

Specifications

OS
ZyNOS
CPU
500 MHz
IDS/IPS
Yes
LAN
Fast Ethernet
RAM
256 MB
USB
1x USB 2.0
UTM
Yes

Potential Threats

No known vulnerabilities found for this device.
Audit firewall rules and remove unused allow entries. Enable detailed logging. Restrict management access to trusted IPs only.

Default IP

192.168.1.1

Default admin panel address for ZyXEL ZyXEL USG20-VPN

Default Credentials — ZyXEL ZyXEL USG20-VPN

Username Password Access Type Protocol Port Notes
web HTTP 80
web HTTPS 443
ssh SSH 22
console console

FAQ

What is the default password for ZyXEL ZyXEL USG20-VPN?

The most common default credentials for ZyXEL ZyXEL USG20-VPN are listed in the table above. Always change these immediately after setup.

What is the default username for ZyXEL ZyXEL USG20-VPN?

The default username for ZyXEL ZyXEL USG20-VPN is typically "admin". The full list of default credentials including username, password, access type and port is shown in the table on this page.

How do I change the password on ZyXEL ZyXEL USG20-VPN?

Log in to the admin panel using the default credentials listed above. Navigate to Administration → Password or System → Account settings. Enter the current password and set a new strong password. Save the changes.

How do I reset ZyXEL ZyXEL USG20-VPN to factory defaults?

Locate the Reset button (usually a small pinhole on the back/bottom of the device). Hold it for 10-30 seconds while powered on until the LEDs flash. The device will reboot with default settings.

Is it safe to leave default credentials unchanged?

No. Default credentials are publicly known and frequently exploited by automated scanners. Change the admin password immediately after first login.

Does ZyXEL ZyXEL USG20-VPN have known security vulnerabilities?

No CVE vulnerabilities have been linked to ZyXEL ZyXEL USG20-VPN in our database. This may mean the device has a good security record, or that vulnerabilities exist but have not been officially assigned CVE identifiers.

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