Multiple cross-site scripting (XSS) vulnerabilities in setup.cgi on the Cisco Linksys WAG54GS Wireless-G ADSL Gateway with 1.00.06 firmware allow remote attackers to inject arbitrary web script or HTML via the (1) c4_trap_ip_, (2) devname, (3) snmp_getcomm, or (4) snmp_setcomm parameter.