{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T01:49:48.485","vulnerabilities":[{"cve":{"id":"CVE-2021-27342","sourceIdentifier":"cve@mitre.org","published":"2021-05-17T13:15:07.733","lastModified":"2024-11-21T05:57:49.043","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack"},{"lang":"es","value":"Una omisión del mecanismo de protección de autenticación de fuerza bruta en telnetd en el modelo de D-Link Router versiones de firmware 3.0.2, permite a un atacante remoto omitir el período de retardo anti-brute-force cool-down por medio de un ataque de canal lateral basado en sincronización"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-203"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:dlink:dir-842e_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.0.2","matchCriteriaId":"6F3EDBCE-4431-42B9-A090-5BADCEA95993"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:dlink:dir-842e:r1:*:*:*:*:*:*:*","matchCriteriaId":"65E5AFDB-B666-4943-A7A4-59DC45EC4829"}]}]}],"references":[{"url":"https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}