Patlite NH-FB v1.46 and below was discovered to contain insufficient firmware validation during the upgrade firmware file upload process. This vulnerability allows authenticated attackers to create and upload their own custom-built firmware and inject malicious code. NOTE: the vendor's position is that this is a design choice, not a vulnerability
https://www.youtube.com/watch?v=4r9FH6U2VR8
https://www.patlite.com/network-products/lineup/nh-fb.html
https://gist.github.com/Nwqda/dfad4e11b545dd40aebca6031d202f66