{ "id": "CVE-2022-29402", "sourceIdentifier": "cve@mitre.org", "published": "2022-05-25T18:15:08.570", "lastModified": "2022-06-07T16:23:02.847", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication." }, { "lang": "es", "value": "Se ha detectado que TP-Link TL-WR840N EU versi\u00f3n v6.20, contiene protecciones no seguras para su consola UART. Esta vulnerabilidad permite a atacantes conectarse al puerto UART por medio de una conexi\u00f3n serial y ejecutar comandos como usuario root sin autenticaci\u00f3n" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.9, "impactScore": 5.9 }, { "source": "cve@mitre.org", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 7.2 }, "baseSeverity": "HIGH", "exploitabilityScore": 3.9, "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-306" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:tp-link:tl-wr840n_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "559E86BF-489A-451C-B7C8-488E0A8D511C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:tp-link:tl-wr840n:6.20:*:*:*:*:*:*:*", "matchCriteriaId": "B1CB92AF-1C4E-45EC-B1E6-71046F1E6008" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:tp-link:tl-wr840n_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "559E86BF-489A-451C-B7C8-488E0A8D511C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:tp-link:tl-wr840n:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "B2A8E1EF-87EB-4915-9E6E-0BF121AA9858" } ] } ] } ], "references": [ { "url": "https://k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.html", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] } ] }