{"containers":{"cna":{"affected":[{"product":"DAP-2020","vendor":"D-Link","versions":[{"status":"affected","version":"1.01rc001"}]}],"credits":[{"lang":"en","value":"chung96vn"}],"descriptions":[{"lang":"en","value":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:menu parameter provided to the webproc endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13270."}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-10-25T17:10:48.000Z","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","shortName":"zdi"},"references":[{"tags":["x_refsource_MISC"],"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201"},{"tags":["x_refsource_MISC"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-978/"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"zdi-disclosures@trendmicro.com","ID":"CVE-2021-34862","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"DAP-2020","version":{"version_data":[{"version_value":"1.01rc001"}]}}]},"vendor_name":"D-Link"}]}},"credit":"chung96vn","data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:menu parameter provided to the webproc endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13270."}]},"impact":{"cvss":{"vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-121: Stack-based Buffer Overflow"}]}]},"references":{"reference_data":[{"name":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201","refsource":"MISC","url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201"},{"name":"https://www.zerodayinitiative.com/advisories/ZDI-21-978/","refsource":"MISC","url":"https://www.zerodayinitiative.com/advisories/ZDI-21-978/"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T00:26:54.205Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-978/"}]}]},"cveMetadata":{"assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","assignerShortName":"zdi","cveId":"CVE-2021-34862","datePublished":"2021-10-25T17:10:49.000Z","dateReserved":"2021-06-17T00:00:00.000Z","dateUpdated":"2024-08-04T00:26:54.205Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}