This indicates an attack attempt against an Integer Overflow Vulnerability in Fuji Electric V-Server.
The vulnerability is caused by an error when the vulnerable software handles a crafted request. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system, via a crafted request.
Fuji Electric V-Server prior to 220.127.116.11
Denial of Service: Remote attackers can crash vulnerable systems.
Currently we are unaware of any vendor supplied patch for this issue.