Fiberhome FiberHome ONU GPON is a router from Fiberhome, China.FiberHome ONU GPON AN5506-04-F RP2617 is vulnerable to an operating system command injection vulnerability, which originates from FiberHome ONU GPON AN5506-04-F RP2617 is affected by an operating system command injection vulnerability. The vulnerability allows an attacker to send commands to the operating system as the root user after logging in via the ping diagnostic tool, bypassing the IP address field and using a semicolon to connect to the operating system commands.