{"api_version":"1","generated_at":"2026-07-24T02:25:13+00:00","cve":"CVE-2021-34863","urls":{"html":"https://cve.report/CVE-2021-34863","api":"https://cve.report/api/cve/CVE-2021-34863.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-34863","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-34863"},"summary":{"title":"CVE-2021-34863","description":"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:page 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. 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