Buffer overflow in login.cgi in MiniHttpd in Belkin N750 Router with firmware before F9K1103_WW_1.10.17m allows remote attackers to execute arbitrary code via a long string in the jump parameter.

A remote unauthenticated user can enable telnet on the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to set.cgi. When enabled the telnet session requires no password and provides root access.

A remote unauthenticated user can overflow a stack buffer in the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to proxy.cgi.

A remote unauthenticated user can execute commands as root in the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to proxy.cgi.

A remote unauthenticated user can execute commands as root in the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to twonky_command.cgi.

Belkin n750 routers have a buffer overflow.