A malformed WAP Push packet can be used to cause a denial of service on various SonyEricsson handsets including but not limited to models W910i,W660i,K618i,K610i,Z610i,K810i,K660i,W880i, and K530i.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/74311/MSL-2008-001.txt
Source: https://packetstormsecurity.com/files/74311/SonyEricsson-WAP-Push-Denial-Of-Service.html