Another update: The fix for this
4. Overview - A malformed packet sent to the BlackBerry Router can cause
it to crash creating a denial of service. Referenced in KB-04758:
http://www.blackberry.com/knowledge...exe/fetch/2000/
8021/728075/728850/728215/Known_Issues_-_Denial_of_service_on_the_BlackB
erry_Router.html?nodeid=1167898
will be release in the next SP next month.