CISCO-SA-BOOTP-WUBHNBXA: Cisco IOS XE Software for Catalyst 9000 Series Switches DHCP Snooping Denial of Service Vulnerability

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PublisherCisco

Article IDCISCO-SA-BOOTP-WUBHNBXA

Verified snapshot28 Sept 2026, 20:28 UTC

Linked CVEs1

Linked CVE reports

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CVE-2026-20084Cisco Cisco IOS XE Software: Uncontrolled Resource Consumption

Source and provenance

Original title: Cisco IOS XE Software for Catalyst 9000 Series Switches DHCP Snooping Denial of Service Vulnerability. Captured 28 Sept 2026, 20:28 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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