This is a proof of concept exploit for version V5.30p of the web configuration interface for Meinberg NTP Time Server. This exploit also utilitizes CVE-2016-3989 to escalate to the root user.
More details about the vulnerabilities can be found at: https://www.securifera.com/advisories/cve-2016-3962-3988-3989/ https://ics-cert.us-cert.gov/advisories/ICSA-16-175-03