CVE-2025-53847

# Disclaimer: This is a conceptual PoC for educational purposes only. # Do not use against systems without authorization. import socket import struct def send_exploit_packet(target_ip, target_port): # Vulnerability involves missing auth on a specific handler. # This is a placeholder for the packet structure. # Crafted packet based on vulnerability analysis. try: # Example: Establish connection (Protocol dependent) # For illustration, assuming TCP connection sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) sock.connect((target_ip, target_port)) # Malicious payload placeholder # In a real scenario, this would contain the specific bypass bytes payload = b"\x00\x01\x02\x03..." sock.send(payload) print(f"[+] Packet sent to {target_ip}:{target_port}") # Check for response (optional) response = sock.recv(1024) print(f"[+] Received response: {response}") except Exception as e: print(f"[-] Error: {e}") finally: sock.close() # Usage # send_exploit_packet("192.168.1.1", 80)

{"cve": {"id": "CVE-2025-53847", "sourceIdentifier": "[email protected]", "published": "2026-04-14T16:16:30.890", "lastModified": "2026-05-12T13:17:21.883", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiOS 6.2.9 through 6.2.17 allows attacker to execute unauthorized code or commands via specially crafted packets."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-306"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.9", "versionEndExcluding": "7.0.18", "matchCriteriaId": "28134B51-B94F-4BC7-A741-D9FE74C82FF7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.2.0", "versionEndExcluding": "7.2.12", "matchCriteriaId": "E8FAAA2E-7A53-4F6B-A9C7-1E2B4CB5F7EB"}, {"vulnerable": true, "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.4.0", "versionEndExcluding": "7.4.9", "matchCriteriaId": "2093EFE3-4B7F-4806-9850-C42B26BC64AC"}, {"vulnerable": true, "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.6.0", "versionEndExcluding": "7.6.4", "matchCriteriaId": "C1C30E0D-7F09-42D2-9EB1-E2196BD50D75"}]}]}], "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-125", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-975644.html", "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}]}}