From this webpage screenshot, the following key information about the vulnerability can be obtained: Vulnerability Name: Belkin Vulnerability Vendor: Belkin Product: F9K1122 Version: 1.00.33 Type: Remote Command Execution Author: Jiaqian Peng Organization: pengjiaqian@lie.ac.cn Vulnerability Description This vulnerability is a command injection flaw present in the firmware of Belkin routers. An attacker can execute arbitrary OS commands remotely by crafting malicious requests. Remote Command Execution In the binary, the function directly passes parameters such as , , , , and to the attacker, allowing them to manipulate these parameters and attack the underlying operating system. Additional Notes To prevent such issues, it is recommended to validate string content during input extraction. PoC (Proof of Concept) By setting to , the router executes the command as shown below: Result The execution result shows ICMP ping responses.