Linksys Wrt54gl Default Password

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Leavethe username blank, and the password is admin. If you set that, it will hold it automatically, unless you use the reset button to set it back to the factory defaults (not something you can do by accident since you have to hold the button in for 5 seconds).

Uplug power from the router Press & hold the reset button Plug in the router and do not let go of the button. Even if you let go for a split second, it will not work. Watch the lights.. Your router will boot up and the wlan light will come on after a bit. When the wlan light lights, your router is booted. If you keep holding the button, you will see the router boot again. The power light will blink, the wlan light will go off.

Once you see the blinking power light & the wlan light go off, release the reset button. Once the wlan light comes back on, your router is booted and will be set to defaults (assuming your button is functioning).

To get access to your Linksys WRT54GL, you need the IP of your device, the username and password. You'll find such information in the Manual of your Linksys WRT54GL router. But if you do not have the manual for your router or you do not want to read the whole manual to find the default login information then you can use the quick guide below.To get to the router login page it's necessary that you are connected to the router. The default network name (SSID) is linksys .

Try different ID/password combinations that are widely used by Linksys that you'll find below.In this list are the most popular default username and password combinations used by Linksys. Sometimes the username and password doesn't work that we mentioned in the top of this guide. Then you can try these username/password combinations below to get access to your Linksys WRT54GL wireless router.

All you need to do is to reset your WRT54GL modem. This can be done easily by clicking on the reset button at the back or at the bottom of your router. If you hold down this small button for approximately 20 seconds, (you may have to use a toothpick), then your modem will get restored to the factory settings. What you need to keep in mind is that when you reset your modem, you will lose your connection online. It is therefore better to take an expert's assistance in this regard. Note: If you have not enough information, it is obviously recommended that you should get help from a person who has all the knowledge about this topic.

Suggestion - It is recommended for the connection to be done by using a cable attached to the Linksys WRT54GL v1.0 router. That will prevent you from losing connection in the middle of the configuration / setup process.

By using a web browser of your choice and entering the IP address of your WRT54GL v1.0 router in the address bar you will load the login screen. You can find the ip address on the back of your router. Now enter the default username and password of your router and you will be granted access to its admin panel. If you do not happen to know what the username and password is then feel free to lookup some of the default ones for WRT54GL v1.0 routers by Linksys. Linksys WRT54GL v1.0 Routers Support If you experience problems logging in a WRT54GL v1.0 router, then you are probably using the wrong username or password. Do not forget to store the login details after you have reset them.

1) This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation.

This means that even setting a password or changing simple network settings might not be possible any more, rendering the device effectively useless. See OpenWrt on 4/32 devices what you can do now.

The original WRT54G was first released as a SOHO router in December 2002. The product line supports WiFi and five switched Ethernet ports. (The WAN port is part of the same internal network switch, but on a different VLAN.) The devices have two removable antennas connected through Reverse Polarity TNC connectors. For additional background information, see Linksys WRT54G series.

The different models within the WRT54G series may all look identical. Please refer to the model information sticker on the underside of the unit in order to determine the precise model number and hardware version of your device.

* 14.07 had slow LuCI web interface, after enabling Wifi, the entire router became inaccessible. A custom cut-down image worked slightly better, but would not let WAN and Wifi work at the same time due to low system RAM. Ref: Forum Thread

* Unplug the power cord, press and hold the reset button, put in the power cord, when DMZ-LED lits up release the reset button. When done right, both Power-LED and DMZ-LED will start blinking. Now you can ping and telnet into 192.168.1.1

The WRT54G/S/L has a 10 pin connection slot on the board called JP1 (JP2 on some v1.1 boards). This slot provides two TTL serial ports at 3.3V. Neither of the ports use hardware flow control, you need to use software flow control instead. Other routers may have similar connections. These two TTL serial ports on the WRT54GL router can be used as standard Serial Ports similar to the serial ports you may have on your PC. In order to do this though you need a line driver chip that can raise the signal levels to RS-232 levels. You can not directly connect a serial port header to the board and expect it to work. That method will only work with devices that can connect to TTL serial ports at 3.3V. Connecting two which have 3.3V directly will work (TX - RX, RX - TX, GND - GND). Standard RS-232 devices cannot be directly connected which accounts for nearly all serial PC devices.

Once the modification is made you can have at most two serial ports to use for connecting devices etc. By default, OpenWrt uses the first serial port to access the built-in serial console on the router. You can connect to it at 115200,8,N,1 using a terminal program like Putty, SecureCRT or minicom for example. This is helpful because if you have problems communicating with your router this method will allow you easy access connecting over a serial console. By default this leaves you with one serial port left, however, there is a method to turn the console off giving you access to both ports if you really need them. It isn't recommended but it can be done.

If you've lost your power brick or want to power the WRT54G from an alternate source its possible to solder power cables directly to the power jack connectors. The WRT54G seems to run on anything from 5 to 12 (maybe more) volts. At 5 volts it needs about 800 milliamps, I had thought it might be possible to run it off USB but USB only (officially) supplies 500 milliamps. However, some USB ports will supply 800 milliamps and a lot of USB mains adaptors (e.g. the one for the Amazon Kindle or iPhone) supply 1 amp.

You can (as shown in the picture above) desolder the power connector (this took quite a lot of effort and I broke the connector in the process). If you want to keep it just solder to the underside of the board instead, you might need to file away a bit of plastic from the outer casing to make room for the wires.

There are 3 legs to the power connector, each just under 1cm long. The one closest towards the front of the router (the LED side) and running across the router is the positive (red wire in the picture). The one in the middle, running from back to front is the ground (black wire in the picture). Just solder a wire to each of these and connect to your power supply of choice.

If you want to run the WRT54G from USB, cut up a USB cable and solder the black wire to negative and the red wire to the positive. Or you can run it from a PC power supply by getting a male 4 pin molex hard disk power connector (as found on some PC fans or molex splitter/extension cables). Connect the yellow wire (12 volts) to the positive side and one (or both) of the black wires to the ground. Now connect this to a spare hard disk power connector on a PC power supply and your WRT54G will power up.

Once you have set the NVRAM parameters above it is possible to use a TFTP client to flash OpenWrt. The TFTP method is also the recommended way to restore the original Linksys firmware or switch to other third-party firmwares.

Linksys original firmware are hard to find on the internet, and are no longer made available by Linksys. Hopefully, they can still be downloaded at this URL: _images/linksys_official/index.html. This is particularily handy if you want to change of OpenWRT version or simply test another one while you already have one installed. To proceed, reinstall Linksys original firmware with the TFTP method :

If you have already installed OpenWrt and like to reflash for e.g. upgrading to a new OpenWrt version. It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.

After successfully running a late model version of Kamikaze. I had some stability issues decided to go with white russian, I downgraded with the web gui to the latest default version of openwrt-brcm-2.4-squashfs.trx and got bricked. These instructions are linux specific, if you are running any other OS your mileage may vary.

I found that the machine would not reboot itself nor would it reboot using /sbin/reboot.I had to unplug to make it reload. Make sure the commands you have previously typed have finished completely before you pull the juice.

Using the OpenWRT 8.09.2 Kamikaze aircrack fits, but the wl package needed as well doesn't. By moving libcrypto from the aircrack dependency package libopenssl into the ramdisk (and backlinking into original directory) you can install wl as well, but airodump freezes on start and causes the router to reset.

ifconfig should tell you the wifi interface is down (use ifconfig -a to show down interfaces as well). We use the wl tool for configuring the wifi to use monitor mode needed for airodump-ng, not airmon-ng.

The & at the end makes airodump run in the background (it still spams your console with information). You can just close your terminal and abort the telnet session, airodump will still run as long as the router is powered or until you manually stop/kill it.

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