Router
ZyXEL

ZyXEL ZyXEL VMG3625-T50B

- The ZyXEL VMG3625-T50B is a broadband router that provides wireless and wired connectivity for small to medium-sized businesses.

ZyXEL ZyXEL VMG3625-T50B

Specifications

CPU
Dual-core 880 MHz
DSL
VDSL2/ADSL2+
LAN
Gigabit Ethernet
QoS
Yes
RAM
256 MB
USB
1x USB 2.0
VPN
IPSec pass-through

Potential Threats

No known vulnerabilities found for this device.
Change the default admin password and login URL. Disable WPS and remote management. Enable WPA3 if supported.

Default IP

192.168.1.1

Default admin panel address for ZyXEL ZyXEL VMG3625-T50B

Default Credentials — ZyXEL ZyXEL VMG3625-T50B

Username Password Access Type Protocol Port Notes
web HTTP 80
web HTTPS 443

FAQ

What is the default password for ZyXEL ZyXEL VMG3625-T50B?

The most common default credentials for ZyXEL ZyXEL VMG3625-T50B are listed in the table above. Always change these immediately after setup.

What is the default username for ZyXEL ZyXEL VMG3625-T50B?

The default username for ZyXEL ZyXEL VMG3625-T50B 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 VMG3625-T50B?

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 VMG3625-T50B 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.

What IP address do I use to log in to ZyXEL ZyXEL VMG3625-T50B?

The default admin login address for ZyXEL ZyXEL VMG3625-T50B is shown in the "Default IP" field above. Most routers use 192.168.1.1 or 192.168.0.1. Open a browser on a device connected to the router and navigate to that IP.

How do I change the Wi-Fi password on ZyXEL ZyXEL VMG3625-T50B?

Log in to the router admin panel at the default IP address. Go to Wireless or Wi-Fi settings. Find the WPA2/WPA3 passphrase field and update it. Save and reconnect your devices.

How do I secure ZyXEL ZyXEL VMG3625-T50B after setup?

Change the default admin password and Wi-Fi password immediately. Disable WPS (Wi-Fi Protected Setup) — it is vulnerable to brute-force attacks. Enable WPA3 encryption if supported. Turn off remote management unless needed. Keep firmware updated.

Does ZyXEL ZyXEL VMG3625-T50B have known security vulnerabilities?

No CVE vulnerabilities have been linked to ZyXEL ZyXEL VMG3625-T50B 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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