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Rewterz Threat Advisory – CVE-2021-27253 – NETGEAR Nighthawk R7800 buffer overflow

February 26, 2021
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Rewterz Threat Advisory – CVE-2021-1230 – Cisco Nexus 9000 Series Fabric Switches denial of service

Severity

High

Analysis Summary

CVE-2021-1230

Cisco Nexus 9000 Series Fabric Switches is vulnerable to a denial of service, caused by an issue with the installation of routes upon receipt of a BGP update. By sending a specially-crafted BGP update, a remote attacker could exploit this vulnerability to cause the routing process to crash.

Impact

Denial of Service

Affected Vendors

Cisco

Affected Products

Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode.

Remediation

Refer to vendor advisory for the complete list of affected products and their respective patches.

Cisco Security Advisory cisco-sa-n9kaci-bgp-De9dPKSK

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