This indicates an attack attempt against a Denial of Service (DoS) vulnerability in netKar PRO.
The vulnerability is caused by an error when the vulnerable software handles a crafted packet sent to port 9500/udp. It could allow a remote attacker to crash the vulnerable software.
netkar-PRO netkar PRO 1.1
Denial of Service: Remote attackers can crash vulnerable systems.
Currently we are not aware of any vendor supplied patch for this issue.