CVE-2026-20086

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...

Vulnerabilities fixed in Cisco IOS XE Software

Cisco has fixed vulnerabilities in Cisco IOS XE Software, specifically for several products such as Catalyst 9000 Series Switches, Catalyst CW9800 Family, and Cisco Meraki. The vulnerabilities include several issues, such as a memory leak in the IKEv2 implementation, vulnerabilities in the DHCP...

EUVD-2026-15433

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...

CVE-2026-20086

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...

CVE-2026-20086

Cisco IOS XE Wireless Controller Software (Catalyst CW9800 Family) is affected by a DoS vulnerability in CAPWAP packet processing. An unauthenticated, remote attacker can send a malformed CAPWAP packet to trigger an unexpected device reload, resulting in service disruption. Root cause: improper h...

CVE-2026-20086

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...

CVE-2026-20086

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...

Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family CAPWAP Denial of Service Vulnerability

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...

CVE-2026-20086: Improper Handling of Missing Values

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...

PT-2026-27791

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Wireless Controller Software for the Catalyst CW9800 Family affected versions not specified Description A flaw exists in how the software processes Control and Provisioning of Wireless Access Points CAPWAP packets. This could allo...

Cisco IOS XE Software Wireless Controller for the Catalyst CW9800 Family CAPWAP DoS (cisco-sa-wlc-dos-hnX5KGOm)

According to its self-reported version, Cisco IOS-XE Software is affected by a vulnerability. - 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...