Multiple D-Link routers have vulnerabilities in their Common Gateway Interface (CGI) that if exploited could result in remote code execution.

The Carnegie Mellon University Software Engineering Institute's CERT/CC reported the CGI codes have two flaws: The /apply_sec.cgi code is exposed to unauthenticated users and the ping_ipaddr argument of the ping_test action fails to properly handle newline characters.

The result is that any arguments after a newline character sent as ping_ipaddr in a POST to /apply_sec.cgi are executed on the device with root privileges.

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