VIVOTEK FD8177 devices before XXXXXX-VVTK-xx06a allow CSRF.
https://www.vivotek.com/website/support/cybersecurity
https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-6655
http://download.vivotek.com/downloadfile/support/cyber-security/vvtk-sa-2018-004-v1.pdf