CVE-2016-10178
An issue was discovered on the D-Link DWR-932B router. HELODBG on port 39889 (UDP) launches the "/sbin/telnetd -l /bin/sh" command.
Date published : 2017-01-29
http://www.securityfocus.com/bid/95877
https://pierrekim.github.io/blog/2016-09-28-dlink-dwr-932b-lte-routers-vulnerabilities.html