EMC NetWorker 'nsrexecd' RPC Packet Denial of Service Vulnerability

This host is running EMC NetWorker and is prone to denial of service vulnerability.
Successful exploitation will allow attackers to cause denial of service condition. Impact Level: Application
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
The flaw is due to an error in the NetWorker Remote Exec Service (nsrexecd.exe), which fails to compute hash value when processing malformed RPC packets. Which could be exploited by remote attackers to crash an affected server which listens on some default ports in range 8000 to 9000 used for the RPC programs 390435 and 390436.
EMC NetWorker version 7.6 SP3 and prior