CVE-2018-20305

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:d-link:dir-816_a2_firmware:1.10b05:*:*:*:*:*:*:*", "matchCriteriaId": "C023F796-9393-4D79-9A3E-8F47B746D95B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-816_a2:-:*:*:*:*:*:*:*", "matchCriteriaId": "DE0BF6D7-F3B3-4E25-807B-21055E5887CE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without authentication via the newpass parameter. In the /goform/form2userconfig.cgi handler function, a long password may lead to a stack-based buffer overflow and overwrite a return address."}, {"lang": "es", "value": "Los dispositivos D-Link DIR-816 A2 1.10 B05 permiten la ejecuci\u00f3n remota de c\u00f3digo sin autenticaci\u00f3n mediante el par\u00e1metro newpass. En la funci\u00f3n handler en /goform/form2userconfig.cgi, una contrase\u00f1a larga podr\u00eda conducir a un desbordamiento de b\u00fafer basado en pila y sobrescribir una direcci\u00f3n de retorno."}], "id": "CVE-2018-20305", "lastModified": "2026-06-17T01:52:35.500", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-12-20T00:29:00.457", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/RootSoull/Vuln-Poc/tree/master/D-Link/DIR-816"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/RootSoull/Vuln-Poc/tree/master/D-Link/DIR-816"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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