The Epson "EasyMP" software is designed to remotely stream a users computer to supporting projectors.These devices are authenticated using a unique 4-digit code, displayed on-screen - ensuring only those who can view it are streaming.In addition to the password, each projector has a hardcoded "backdoor" code (2270), which authenticates to all devices.

The Epson "EasyMP" software is designed to remotely stream a users computer to supporting projectors.These devices are authenticated using a unique 4-digit code, displayed on-screen - ensuring only those who can view it are streaming.All Epson projectors supporting the "EasyMP" software are vulnerable to a brute-force vulnerability, allowing any attacker on the network to remotely control and stream to the vulnerable device