Linksys WAP54Gv3 firmware 3.04.03 and earlier uses a hard-coded username (Gemtek) and password (gemtekswd) for a debug interface for certain web pages, which allows remote attackers to execute arbitrary commands via the (1) data1, (2) data2, or (3) data3 parameters to (a) Debug_command_page.asp and (b) debug.cgi.

Linksys WAP54Gv3 firmware 3.04.03 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) data2 and (2) data3 parameters to (a) Debug_command_page.asp and (b) debug.cgi.