High severity8.6NVD Advisory· Published Sep 23, 2021· Updated Jun 17, 2026
CVE-2021-1615
CVE-2021-1615
Description
A vulnerability in the packet processing functionality of Cisco Embedded Wireless Controller (EWC) Software for Catalyst Access Points (APs) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected AP. This vulnerability is due to insufficient buffer allocation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to exhaust available resources and cause a DoS condition on an affected AP, as well as a DoS condition for client traffic traversing the AP.
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Affected products
3- cpe:2.3:a:cisco:embedded_wireless_controller:*:*:*:*:*:*:*:*Range: <=17.6.1
- Range: n/a
Patches
Vulnerability mechanics
References
1News mentions
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