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I have a CBR750 and the one quit working during this time
I have a CBR750 and the one quit working during this time, the hard reset of the cable modem / wifi6 would not work the unit simply would not boot and I could not access it via web or anything. I had...
I still have the old one if you have a way to re-flash the FPGA via JTAG or something... I did not want to disassemble the thing and I don't have their binaries so I just got a new one...
Wonder if TFTP will work on CBRs.
https://kb.netgear.com/000059634/How-to-upload-firmware-to-a-NETGEAR-router-using-Windows-TFTP
Need to press the reset button for 30 seconds then release, then it send to PUT the command and upload the FW.
Make sure you enable tftp: https://www.thewindowsclub.com/enable-tftp-windows-10
Video walk through using a tftp client. Use the built in one for windows 10 though. the video is more of an example of how its done:
https://www.youtube.com/watch?v=R9DLrLQrpaw
I had a problem on a Windows 10 PC where this didn't work to use TFTP, so I switched to a WIndows 7 PC and the TFTP worked.
Mac TFTP: https://www.petenetlive.com/KB/Article/0001247
Try nmrpflash:
https://github.com/jclehner/nmrpflash
I have a mac, I tried doing this and it fails to transfer aka the network never comes up on the CBR750 that is a true brick, I tried to do the command just on power up or power up with holding the reset button etc... nothing works... It is a true brick, I am sure NETGEAR could fix it through a different port but their support is total garbage nowadays since they moved to some service model.
tftp> put CBR750-V4.6.5.8_2.0.54.chk
tftp: sendto: Network is unreachable
is what I get just to be clear...