{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-11T03:14:23.249","vulnerabilities":[{"cve":{"id":"CVE-2021-41653","sourceIdentifier":"cve@mitre.org","published":"2021-11-13T15:15:08.110","lastModified":"2024-11-21T06:26:35.237","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a crafted payload in an IP address input field."},{"lang":"es","value":"La función PING en el router TP-Link TL-WR840N EU versión v5 con firmware hasta TL-WR840N(EU)_V5_171211, es vulnerable a una ejecución de código remota por medio de una carga útil diseñada en un campo de entrada de dirección IP"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","baseScore":10.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-94"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:tp-link:tl-wr840n_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"tl-wr840n\\(eu\\)_v5_171211","matchCriteriaId":"9C5797B1-0F68-4A32-8A79-10594D4F00BF"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:tp-link:tl-wr840n:v5:*:*:*:*:*:*:*","matchCriteriaId":"0271F8CB-EBF1-4E64-B51B-349997A8AED2"}]}]}],"references":[{"url":"http://tp-link.com","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"https://k4m1ll0.com/cve-2021-41653.html","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.tp-link.com/us/press/security-advisory/","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://tp-link.com","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://k4m1ll0.com/cve-2021-41653.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.tp-link.com/us/press/security-advisory/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}