CVE-2026-7247

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Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en D-Link DI-8100 16.07.26A1. Afectada por este problema es la funci\u00f3n file_exten_asp del archivo file_exten.asp del componente Gestor de Extensi\u00f3n de Archivos. La manipulaci\u00f3n del argumento Name conduce a desbordamiento de b\u00fafer. Es posible la explotaci\u00f3n remota del ataque. El exploit ha sido revelado al p\u00fablico y puede ser usado."}], "id": "CVE-2026-7247", "lastModified": "2026-10-26T22:10:00.163", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "MULTIPLE", "availabilityImpact": "COMPLETE", "baseScore": 8.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 6.4, "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": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "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": 7.3, "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": "HIGH", "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:H/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-2026-7247", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-28T12:18:20.034048Z", "version": "2.0.3"}}]}, "published": "2026-04-28T09:16:18.113", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/draw-ctf/report/blob/main/DI-8100/file_exten_asp_overflow.md"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/802868"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/359856"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/vuln/359856/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": "16.07.26A1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DI-8100", "source": "cna", "vendor": "D-Link"}, "product": "di-8100", "vendor": "d-link"}], "analysis": {"en": {"generated_at": "2026-04-28T12:18:09.403750+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update for the DI\u20118100 that addresses the buffer overflow issue.", "If an update is not yet available, block or remove remote administrative access that exposes the file_exten.asp interface, for example by disabling remote web management or limiting access to the local network.", "Configure the router behind a firewall or restrict inbound traffic to its HTTP/HTTPS ports to only trusted IP addresses or VPN endpoints."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The affected device is the D\u2011Link DI\u20118100 router running firmware 16.07.26A1. No other version ranges are documented, so only this build is known to be vulnerable.", "description_and_impact": "An overflow occurs in the file_exten_asp function located in file_exten.asp, a File Extension Handler on the D\u2011Link DI\u20118100. When a malicious Name parameter is processed, the input exceeds the allocated buffer, leading to a buffer overflow. This flaw can be exploited from a remote host and can result in the execution of arbitrary code, giving the attacker full control of the router. The vulnerability is listed as a memory corruption (CWE\u2011119/120) issue.", "risk_and_exploitability": "The CVSS score of 8.6 indicates high severity, while the lack of an EPSS score and KEV listing suggests limited public exploitation data. However, the description confirms that a publicly disclosed exploit exists and that remote exploitation is possible. The attack vector is inferred to be remote over the network, likely through the router\u2019s web interface."}}}}, "created": "2026-04-28T10:30:28.847192+00:00", "updated": "2026-04-28T12:30:31.056789+00:00", "vendors": ["d-link", "d-link$PRODUCT$di-8100"]}