Hillstone Software TFTP Write/Read Request Server Denial Of Service Vulnerability

Summary
This host is running Hillstone Software TFTP Server and is prone to denial of service vulnerability.
Impact
Successful exploitation will allow attacker to crash the server process, resulting in a denial-of-service condition. Impact Level: Application
Solution
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.
Insight
The flaw is caused by an error when processing TFTP write and read requests, which can be exploited to crash the server via a specially crafted request sent to UDP port 69.
Affected
Hillstone Software HS TFTP version 1.3.2
References