Hacking WRT120N Home Router

With a good firmware disassembly and JTAG debug access to the WRT120N, it’s time to start examining the code for more interesting bugs.

As we’ve seen previously, the WRT120N runs a Real Time Operating System. For security, the RTOS’s administrative web interface employs HTTP Basic authentication:


401 Unauthorized


Most of the web pages require authentication, but there are a handful of URLs