CVE-2026-5980

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{"affected": [{"affectedData": [{"modules": ["POST Request Handler"], "product": "DIR-605L", "vendor": "D-Link", "versions": [{"status": "affected", "version": "2.13B01"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-605l_firmware:2.13b01:*:*:*:*:*:*:*", "matchCriteriaId": "47A17995-9117-42E4-938E-D18F605DD0FE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-605l:-:*:*:*:*:*:*:*", "matchCriteriaId": "CD4E3AA2-EC1C-4219-8E13-B52D30A7FA06", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [{"sourceIdentifier": "cna@vuldb.com", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "A flaw has been found in D-Link DIR-605L 2.13B01. Affected by this issue is the function formSetMACFilter of the file /goform/formSetMACFilter of the component POST Request Handler. This manipulation of the argument curTime causes buffer overflow. The attack may be initiated 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-605L 2.13B01. Afectada por este problema es la funci\u00f3n formSetMACFilter del archivo /goform/formSetMACFilter del componente Gestor de Solicitudes POST. Esta manipulaci\u00f3n del argumento curTime causa desbordamiento de b\u00fafer. El ataque puede ser iniciado remotamente. El exploit ha sido publicado y puede ser usado. Esta vulnerabilidad solo afecta a productos que ya no son compatibles con el mantenedor."}], "id": "CVE-2026-5980", "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-2026-5980", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-10T14:05:41.763254Z", "version": "2.0.3"}}]}, "published": "2026-04-09T21:16:14.223", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://lavender-bicycle-a5a.notion.site/D-Link-DIR-605L-formSetMACFilter-33153a41781f807c8fb4c3a75f7b555e?source=copy_link"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/791853"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/356534"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/vuln/356534/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": "2.13B01"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DIR-605L", "source": "cna", "vendor": "D-Link"}, "product": "dir-605l", "vendor": "d-link"}], "analysis": {"en": {"generated_at": "2026-04-09T22:53:19.272802+00:00", "value": {"mitigation_remediation": ["Update the router firmware to the latest supported version from D-Link.", "If a firmware update is unavailable, block external access to the web\u2011based admin interface using firewall rules or by disconnecting the router from the internet.", "Disable or restrict the MAC filter feature to eliminate use of the vulnerable formSetMACFilter path.", "Monitor the router for abnormal activity and apply rate limiting or intrusion detection if available."], "summary": {"action": "Patch Immediately", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Affected devices include the D-Link DIR-605L router running firmware version 2.13B01. This firmware is no longer maintained or supported by the vendor. No other affected versions are listed in the available data.", "description_and_impact": "The vulnerability is a buffer overflow in the formSetMACFilter function of the POST Request Handler on the D-Link DIR-605L router. Manipulating the curTime argument causes the buffer to overflow, allowing a remote attacker to write arbitrary data and potentially execute malicious code. The flaw is classified as CWE\u2011119 (buffer overflow) and CWE\u2011120 (partial matching). Because the exploit is published and can be triggered remotely, it threatens confidentiality, integrity, and availability of the device and any network traffic it manages.", "risk_and_exploitability": "The CVSS score of 8.7 indicates a high severity, and the EPSS score is not available, but the existence of a published exploit and the possibility of remote attack raise the likelihood of real\u2011world exploitation. The vulnerability is not listed in CISA\u2019s KEV catalog, yet its remote nature and severity warrant immediate attention. The attack vector is through an external POST request to /goform/formSetMACFilter, which an attacker can reach over the network if the router\u2019s administrative interface is exposed."}}}}, "created": "2026-04-10T08:38:24.591729+00:00", "updated": "2026-04-10T09:29:08.843746+00:00", "vendors": ["d-link", "d-link$PRODUCT$dir-605l"]}