Endress+Hauser WirelessHART Fieldgate SWG70 3.x devices allow Directory Traversal via the fcgi-bin/wgsetcgi filename parameter.
https://www.exploit-db.com/exploits/45342/
https://ics-cert.us-cert.gov/advisories/ICSA-19-073-03
https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-7916