No. The hardware looks identical, but the calibration files for the cable modem are different. Flashing the wrong ISP firmware will result in a "Frequency Scan Failed" error.
If your EasyBox 804 is several years old and struggling with high-speed fiber or VDSL 250 connections, it might be time to ask Vodafone about an upgrade to the newer Station or a Fritz!Box model. easybox 804 firmware
In 2023-2025, router exploits are a primary vector for botnets (like Mirai). Older firmware on the EasyBox 804 may have known vulnerabilities in the UPnP or web interface. Updates close these backdoors. No. The hardware looks identical