Hello I am using the USB-Serial thing to try to debrick it. I am unable to break to get a CFE prompt at any point, and after the last line of the output it just freezes at nothing and I cant type tftpd etc. Here is the output as I press the "power" button on the router via the COM interface:

CFE for WNR3500L version: v1.0.36
Build Date: Thu Aug 6 15:48:22 CST 2009
Init Arena
Init Devs.
Boot partition size = 262144(0x40000)
Found a 8MB ST compatible serial flash
et0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 5.10.56.28
CPU type 0x19740: 453MHz
Tot mem: 65536 KBytes

Device eth0: hwaddr 30-46-9A-9A-0E-F2, ipaddr 192.168.1.1, mask 255.255.255.0
gateway not set, nameserver not set
Loader:raw Filesys:tftp Dev:eth0 File:192.168.1.2:vmlinuz Options:(null)
Loading: Failed.
Could not load 192.168.1.2:vmlinuz: Timeout occured
Checksum mismatch:
Image chksum: 0xB94FA4C9
Calc chksum: 0xB6B2D903
Loader:raw Filesys:raw Dev:flash0.os File: Options:(null)
Loading: .. 5192 bytes read
Entry at 0x80001000
Closing network.
Starting program at 0x80001000