Intelbras TIP 200 60.61.75.15, TIP 200 LITE 60.61.75.15, and TIP 300 65.61.75.22 devices allow cgi-bin/cgiServer.exx?page=../ Directory Traversal.
https://www.youtube.com/watch?v=nNKBRx8IglI
https://lucxs.medium.com/cve-2020-13886-lfi-voip-intelbras-d30f27a39b22