CVE-2026-6014

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This manipulation of the argument webpage causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer."}, {"lang": "es", "value": "Se ha encontrado una falla en D-Link DIR-513 1.10. Este problema afecta a la funci\u00f3n formAdvanceSetup del archivo /goform/formAdvanceSetup del componente Gestor de Solicitudes POST. Esta manipulaci\u00f3n del argumento webpage causa desbordamiento de b\u00fafer. Es posible iniciar el ataque de forma remota. El exploit ha sido publicado y puede ser utilizado. Esta vulnerabilidad solo afecta a productos que ya no tienen soporte por el mantenedor."}], "id": "CVE-2026-6014", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6014", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-10T11:56:26.815030Z", "version": "2.0.3"}}]}, "published": "2026-04-10T05:16:07.510", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://lavender-bicycle-a5a.notion.site/D-Link-DIR-513-formAdvanceSetup-33153a41781f80829d47ec9b86dd8abf?source=copy_link"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/791860"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/356570"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/vuln/356570/cti"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.dlink.com/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.10"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DIR-513", "source": "cna", "vendor": "D-Link"}, "product": "dir-513", "vendor": "d-link"}], "analysis": {"en": {"generated_at": "2026-04-10T05:50:43.750373+00:00", "value": {"mitigation_remediation": ["Check for any firmware update or security patch from D\u2011Link for the DIR\u2011513 model and apply it immediately.", "If no patch is available, discontinue remote management of the device and remove the web interface from the network.", "Configure network firewall rules to block unauthenticated HTTP traffic to the router\u2019s web administration port.", "Continuously monitor router logs for abnormal POST requests to /goform/formAdvanceSetup and alert on suspicious activity."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution via Buffer Overflow"}, "threat_synthesis": {"affected_systems": "The vulnerability affects D\u2011Link DIR\u2011513 units running firmware version 1.10. This model is no longer supported by the vendor, meaning no official patches are currently available through regular channels.", "description_and_impact": "A buffer overflow flaw exists in the formAdvanceSetup function of the POST Request Handler on D\u2011Link DIR\u2011513 routers. The vulnerability arises from improper handling of the webpage argument, allowing an attacker to send crafted input that overflows memory. This weakness, classified as CWE\u2011119 and CWE\u2011120, can lead to arbitrary code execution when exploited remotely.", "risk_and_exploitability": "The flaw carries a high CVSS score of 8.7, indicating severe impact. Although no EPSS score is provided and the issue is not listed in the CISA KEV catalog, an exploit has already been published and is potentially in use. The attack vector is remote, via HTTP POST requests to the /goform/formAdvanceSetup endpoint, and does not require privileged access to the device."}}}}, "created": "2026-04-10T08:35:44.791321+00:00", "updated": "2026-04-10T09:26:46.247293+00:00", "vendors": ["d-link", "d-link$PRODUCT$dir-513"]}