The video describes two possible scenarios for launching the WAP Push Denial of Service vulnerability discovered by Mobile Security Lab and described at http://www.mseclab.com/?p=123.
Further details available on our blog at http://www.mseclab.com
It affects these phone models.
Sony Ericsson W910i, W660i, K618i, K610i, Z610i, K810i, K660i, W880i, K530i
Hopefully SE issues a FW update to fix this issue.