{"api_version":"1","generated_at":"2026-04-23T08:15:14+00:00","cve":"CVE-2021-1623","urls":{"html":"https://cve.report/CVE-2021-1623","api":"https://cve.report/api/cve/CVE-2021-1623.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-1623","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-1623"},"summary":{"title":"CVE-2021-1623","description":"A vulnerability in the Simple Network Management Protocol (SNMP) punt handling function of Cisco cBR-8 Converged Broadband Routers could allow an authenticated, remote attacker to overload a device punt path, resulting in a denial of service (DoS) condition. This vulnerability is due to the punt path being overwhelmed by large quantities of SNMP requests. An attacker could exploit this vulnerability by sending a large number of SNMP requests to an affected device. 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