Buffalo WZR-HP-G300NH brick after flashing WHR firmware

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pseudosavant
DD-WRT Novice


Joined: 28 Apr 2019
Posts: 1

PostPosted: Sun Apr 28, 2019 18:23    Post subject: Reply with quote
I know this is an old thread but I'm running into the same problem. I've been using DD-WRT, Tomato, and OpenWrt since the original WRT54G came out. I've bricked some routers but usually I could recover them using TFTP. But I'm stuck on this one.

My router bricked when resetting it to the stock settings. I have posted a video to YouTube showing the lights at boot-up. https://www.youtube.com/watch?v=0R4HZmwdNPU

I have my laptop connected via a USB gigabit adapter to a basic 8-port gigabit switch which is connected to 'port 4' (nearest to the WAN port) on the router. I've added a route to 192.168.11.1. I've tried TFTP putting (using Windows 10's tftp client) wzrhpg300nh2-pro-r30356.enc 10-20 seconds after power on to try to find the TFTP window.

I actually created a simple batch file to make sure the timing was as good as possible. I tried it at 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, and 20 seconds after boot. I tried all of those with the uboot MAC address 02-AA-BB-CC-DD-1A, and also with the MAC (SSID) address printed on the router 4C-E6-76-3F-2F-10.

I've also tried countless times using other tftp clients (tftp2.exe, Pumpkin, or tftpd64. Also, using the 'user fiendly' firmware `wzrhpg300nh-176`.

Anyone have any ideas? I'm guessing my only option might be to hook up to its serial port.

Here is the batch script I used:

Code:

@ECHO OFF
REM Power-on to TFTP window delay
SET delay=10

REM Adapter # from `route print`
SET adapter=12

REM Uboot MAC address
SET routerMAC=02-AA-BB-CC-DD-1A
REM sticker MAC address
REM SET routerMAC=4C-E6-76-3F-2F-10

ECHO Setting route
netsh interface ipv4 delete neighbors %adapter% 192.168.11.1 %routerMAC%
netsh interface ipv4 add neighbors %adapter% 192.168.11.1 %routerMAC%

ECHO Starting %delay% second transfer countdown in 5 seconds
timeout /t 5 /nobreak

ECHO.
ECHO Starting transfer in %delay% seconds
timeout /t %delay% /nobreak

ECHO.
ECHO Starting TFTP Attempt
ECHO =====================
ECHO.
tftp -i 192.168.11.1 put wzrhpg300nh2-pro-r30356.enc
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buffalo_wzr-hp-g300nh
DD-WRT Novice


Joined: 18 Feb 2021
Posts: 2

PostPosted: Thu Feb 18, 2021 19:27    Post subject: 12-14-2020-r45000 Reply with quote
r45000 bricked my buffalo_wzr-hp-g300nh.

Luckily references below helped me out.

"Now quickly plug the power cord back to the router." - I personally needed to do this task many times before I was able to successfully send original firmware to router via tftp.


http://g300nh.blogspot.com/2010/06/firmware-flash-and-brick-recovery.html

https://bitbucket.org/phjounin/tftpd64/wiki/Download%20Tftpd64.md
iMAK
DD-WRT User


Joined: 06 Nov 2011
Posts: 81

PostPosted: Sat Sep 18, 2021 22:41    Post subject: Re: 12-14-2020-r45000 Reply with quote
buffalo_wzr-hp-g300nh wrote:
r45000 bricked my buffalo_wzr-hp-g300nh.

Luckily references below helped me out.

"Now quickly plug the power cord back to the router." - I personally needed to do this task many times before I was able to successfully send original firmware to router via tftp.


http://g300nh.blogspot.com/2010/06/firmware-flash-and-brick-recovery.html

https://bitbucket.org/phjounin/tftpd64/wiki/Download%20Tftpd64.md

Which build you are using now? Have you tried the latest build?

_________________
Buffalo WZR-HP-G300NH
d33b0_n4p41m
DD-WRT User


Joined: 10 Sep 2021
Posts: 133

PostPosted: Sat Sep 18, 2021 22:59    Post subject: Reply with quote
Finding orphan build reports in the wild; awesome!
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