Description

A vulnerability in the processing of Control and Provisioning of Wireless Access Points (CAPWAP) packets of Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of a malformed CAPWAP packet. An attacker could exploit this vulnerability by sending a malformed CAPWAP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload unexpectedly, resulting in a DoS condition.

INFO

Published Date :

2026-03-25T16:02:55.912Z

Last Modified :

2026-03-26T17:40:42.427Z

Source :

cisco
AFFECTED PRODUCTS

The following products are affected by CVE-2026-20086 vulnerability.

Vendors Products
Cisco
  • Ios Xe Software
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-20086.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact