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Buffalo WZR-HP-G300NH

<alertbox> WARNING: This document may contain errors which may result in damage to your router. USE AT YOUR OWN RISK. </alertbox> inlinetoc_2_4 <alertbox> NOTE: More recent versions of the WZR-HP-G300NH have had a hardware change without bumping the revision number or changing the hardware label. The newer hardware appears to have the rtl8366rb Ethernet switch while older hardware had the rtl8366s switch. As a result, this newer hardware is NOT supported by OpenWrt 'Backfire' 10.03.1-RC5 but it is supported in OpenWrt trunk since at least r28133 </alertbox>


Step-by-step instructions for the non technical person who wants to install Gargoyle on a Buffalo WZR-HP-G300NH.


Factory stock Buffalo WZR-HP-G300NH router and upgrading it to Gargoyle

Upgrade to DD-WRT

Use the Buffalo setup to switch from the “user friendly” firmware to the Buffalo factory default “Professional” firmware (DD-WRT)

Set Password

Logged into DD-WRT at and set a new password and wrote it down.


Install Telnet

Installed Telnet on Windows 7 from control panel.

Login with Telent

Opened Telnet and entered:


prompted for user name and password

used “root” for user name (regardless of user name specified when installing DD-WRT)

Use the password set when configuring DD-WRT.

After successful login, copied and pasted these commands to telnet

Upgrade to Gargoyle

<shell>cd /tmp

wget </shell>

After the wget command, the screen showed a download progress bar and then completion


mtd -e linux -r write gargoyle_1.3.14-ar71xx-wzr-hp-g300nh-squashfs-sysupgrade.bin linux </shell>

After mtd command, screen showed several commands, then nothing for a long time. Be patient.

Finally, the screen said “lost connection”


Gargoyle changed the default IP address to

Opened a browser and entered

Got the Gargoyle login screen. The default password is “password”

Changed the Gargoyle password. All ready to configure and use!

buffalo_wzr-hp-g300nh.1329605259.txt.gz · Last modified: 2012/02/18 22:47 by ispyisail