Mercury Router Login: Router Admin Setup Guide
Log in to Mercury at 192.168.1.1 with admin and admin, or melogin.cn on newer models.
Connect to your Mercury router first by WiFi or cable. Many newer Mercury routers use melogin.cn and ask you to set a password.
Mercury routers open their settings at 192.168.1.1. Many newer models, especially Chinese-market units, also use http://melogin.cn and ask you to create a password on first login.
International models like the MW300R and MW305R use admin and admin. Here is how to log in, change WiFi and reset.
The fastest way in: tap the login button in the box at the top of this page, then sign in with the details on your router label.
How to log in to your Mercury router
- Connect your phone or computer to the router WiFi, or plug in an Ethernet cable.
- Open a browser and type http://192.168.1.1 in the address bar. Newer models: http://melogin.cn.
- Enter the username and password from the table below or the router label.
- Once logged in, change the admin password and use WPA2 or WPA3 for WiFi.
If the page does not open, check your Default Gateway with our Router IP Finder. ISP builds sometimes use a different address.
When the page will not open, I try melogin.cn before I retype the IP.
Mercury default IP, username and password
| Model or type | Login address | Username | Password |
|---|---|---|---|
| MW300R, MW305R (international) | 192.168.1.1 | admin | admin |
| Newer Mercury routers | melogin.cn | None | Set at first login |
| After setup | Same | admin | Your own password |
Mercury and Mercusys are related brands with similar menus. I treat the two brands as cousins whenever the menus look alike.
How to change the WiFi password on a Mercury router
- Log in to the router.
- Open Wireless, then Wireless Security.
- Set WPA2-PSK and a new password.
- Save and reconnect devices.
Quick Setup also changes the WiFi name and password. Need a strong key? Try our WiFi Password Generator. For me, Quick Setup is where every Mercury WiFi change starts.
Mercury login problems and fixes
- 192.168.1.1 will not load: make sure you are on the router WiFi, not mobile data or a VPN, and type http:// in front.
- Wrong password: check the label first. If you or your ISP changed it, the defaults will not work.
- Page loads but login fails: clear the browser cache or try a private window. Some routers lock you out for a few minutes after several attempts.
- Router from your ISP: the provider may manage it. Their app or support line can reset the admin password.
- Still locked out: a factory reset restores the label login, but erases your settings.
I start with the wrong-password case whenever a Mercury login fails.
How to reset a Mercury router
- Keep the router powered on.
- Press and hold the reset button for about 5 to 10 seconds, until the lights flash.
- Release and wait 2 to 3 minutes.
- Log in with the default details and set up WiFi again.
Run Quick Setup again after a reset. The Quick-Setup rerun is the step I never skip after a Mercury reset.
Mercury routers and melogin.cn
Mercury (水星) routers are sold mostly in China and are closely linked to TP-Link. Newer Mercury routers use the address melogin.cn as well as 192.168.1.1, and many ask you to create a management password during first setup instead of using admin/admin.
Older Mercury models, and those sold in some other markets, still use admin/admin. If one doesn’t work, try the other, then check the label. The create-a-password prompt is the detail I warn new Mercury owners about.
Settings worth checking
- Set a management password if the router didn’t ask for one.
- Choose WPA2-PSK for WiFi security and set a strong password.
- Turn off WPS.
- Check the online devices list and block anything unfamiliar.
- Look for firmware updates on the Mercury support site using your exact model and hardware version.
The change-admin step is the one I never skip on any Mercury I touch.
Language settings
Many Mercury routers only offer a Chinese interface. A browser with built-in page translation (Chrome or Edge) makes it easy to find your way around. The menu layout is very similar to TP-Link’s, so TP-Link guides can help too.
The translate-the-page trick is the one I suggest first for a Chinese-only menu.
Mercury extenders
Mercury also sells range extenders that use the same melogin.cn address during setup. Connect to the extender’s network, open melogin.cn, set a password, and pick your main WiFi to extend. After setup, it gets an address from your router.
The extender-first step is the one I try before I blame the main router.
Mercury router not getting internet
- Check the cable from the modem goes into the WAN port.
- In the setup wizard, choose the right connection type (PPPoE or dynamic IP).
- Enter your broadband account if PPPoE is needed.
- Restart the modem and router.
The modem-lights check is the step I take first when the internet stays down.
