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Cisco Catalyst CW9800 Series Wireless Controller

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high advisory

Cisco IOS XE Wireless Controller CAPWAP Packet Processing Vulnerability (CVE-2026-20086)

CVE-2026-20086 describes a vulnerability in Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family, enabling unauthenticated remote attackers to trigger a denial-of-service condition by sending malformed CAPWAP packets that cause the device to reload unexpectedly.

Cisco IOS XE Wireless Controller Software +1 cve-2026-20086 cisco capwap denial-of-service network
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