F5 BIG-IP security feature issue vulnerability

F5 BIG-IP is an application delivery platform that integrates network traffic management, application security management, load balancing, etc. F5 BIG-IP has a security feature issue vulnerability that can be exploited by an attacker to determine the open UDP (User Datagram Protocol) source port of a vulnerable system based on ICMP (Internet Control Message Protocol) error messages, thus enabling SAD DNS attack.