What is the default username and password for ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall?

The default username is "admin" and the default password is "1234".

ZyXEL SMB Router N/A (Wired Gateway) Gigabit UTM Enterprise Security Gateway

ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall

Q: What is the default IP address for ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall?

The factory default IP address for ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall is http://192.168.1.1.

Q: How do I factory reset the ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall?

Locate the small Reset pinhole on the back panel of the ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall. Press and hold it with a paperclip for 10-15 seconds while powered on until the LED lights cycle.

Small-to-medium enterprise cybersecurity, secure remote workforce VPN, and branch offices

Open http://192.168.1.1 ↗

Illustration, not a product photo

Gateway IP

192.168.1.1

Factory Username

admin

Factory Password

1234

Technical specifications

USG FLEX Series

Manufacturer	ZyXEL
Product Series	USG FLEX Series
Device Class / Category	SMB Router
Wireless Standard	N/A (Wired Gateway)
Speed Rating	Gigabit UTM Enterprise Security Gateway
Ethernet & Fiber Ports	1x GbE WAN, 1x GbE SFP, 4x GbE LAN/DMZ, 1x USB 3.0
Routing / Firewall Throughput	900 Mbps SPI Firewall / 360 Mbps UTM Full Inspection
Default Gateway URL	http://192.168.1.1 ↗
Operating System / Firmware	Zyxel ZLD Firmware (Nebula Cloud Ready)

How to log in to your ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall

1 Connect Your Device: Plug your PC into any LAN port on the ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall using an Ethernet cable, or connect to the default Wi-Fi SSID printed on the router label.
2 Navigate to Gateway IP: Launch your web browser and enter http://192.168.1.1 into the address bar.
3 Enter Factory Credentials: Enter username "admin" and password "1234", then click Login.
4 Configure Security & Password: Follow the on-screen Quick Setup wizard to customize your Wi-Fi SSID, set WPA3/WPA2-AES encryption, and establish a new master administrator password.

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Frequently asked questions

What is the default login for ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall?

The default IP address is http://192.168.1.1, default username is "admin", and default password is "1234".

What ports and speeds does ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall support?

The ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall is equipped with 1x GbE WAN, 1x GbE SFP, 4x GbE LAN/DMZ, 1x USB 3.0 with an overall speed rating of Gigabit UTM Enterprise Security Gateway.

How do I reset my ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall to factory settings?

Press and hold the physical Reset button on the ZyXEL Zyxel USG FLEX 100 Multi-Gigabit Unified Threat Management Firewall for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.