cisco-sa-bootp-WuBhNBxAHighCVSS 8.6

Cisco IOS XE Software for Catalyst 9000 Series Switches DHCP Snooping Denial of Service Vulnerability

Published
March 25, 2026
Last Modified
March 25, 2026

🔗 CVE IDs covered (1)

CVE-2026-20084 · pending

📋 Description

🎯 Affected products117

  • Cisco IOS XE Software 16.6.1
  • Cisco IOS XE Software 16.6.2
  • Cisco IOS XE Software 16.6.3
  • Cisco IOS XE Software 16.6.4
  • Cisco IOS XE Software 16.6.5
  • Cisco IOS XE Software 16.6.4s
  • Cisco IOS XE Software 16.6.4a
  • Cisco IOS XE Software 16.6.6
  • Cisco IOS XE Software 16.6.7
  • Cisco IOS XE Software 16.6.8
  • Cisco IOS XE Software 16.6.9
  • Cisco IOS XE Software 16.6.10
  • Cisco IOS XE Software 16.7.1
  • Cisco IOS XE Software 16.8.1
  • Cisco IOS XE Software 16.8.1a
  • Cisco IOS XE Software 16.8.1s
  • Cisco IOS XE Software 16.9.1
  • Cisco IOS XE Software 16.9.2
  • Cisco IOS XE Software 16.9.1s
  • Cisco IOS XE Software 16.9.3
  • Cisco IOS XE Software 16.9.2s
  • Cisco IOS XE Software 16.9.4
  • Cisco IOS XE Software 16.9.3s
  • Cisco IOS XE Software 16.9.5
  • Cisco IOS XE Software 16.9.6
  • Cisco IOS XE Software 16.9.7
  • Cisco IOS XE Software 16.9.8
  • Cisco IOS XE Software 16.10.1
  • Cisco IOS XE Software 16.10.1s
  • Cisco IOS XE Software 16.10.1e
  • +87 more not shown

🔗 References (2)