Archives

Introduction to C9800-universalk9_wlc.17.12.04.CSCwj93876.SPA.bin This Software Maintenance Upgrade (SMU) addresses critical stability issues in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Dublin 17.12.04. Designed as a hitless patch, it resolves memory leak vulnerabilities in the wncmgrd process that could...

Introduction to C9800-universalk9_wlc.17.09.04a.CSCwh93727.SPA.apsp.bin This Application-Specific Patch Package (ASPP) addresses critical vulnerabilities in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.09.04a. Designed for enterprise wireless networks requiring uninterrupted operations, it resolves three CVEs impacting CAPWAP protocol security and...

Introduction to C9800-universalk9_wlc.17.09.04a.CSCwh68219.SPA.bin This APSP (Application-Specific Patch Package) addresses critical vulnerabilities in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.09.04a. Designed as a hot patch for enterprise WLAN environments, it resolves three CVEs related to CAPWAP protocol...

Introduction to C9800-80-universalk9_wlc.17.13.01.SPA.bin This software release (version 17.13.01) delivers critical enhancements for Cisco Catalyst 9800 Series Wireless Controllers, specifically designed for enterprise-grade wireless LAN management. As part of Cisco IOS XE Amsterdam 17.13.x train, it provides stability improvements and security...

Introduction to C9800-80-universalk9_wlc.17.09.04a.SPA.bin This software release (version 17.09.04a) delivers critical enhancements for Cisco Catalyst 9800 Series Wireless Controllers, specifically designed for enterprise-grade wireless LAN management. As part of Cisco IOS XE Amsterdam 17.9.x train, it provides stability improvements and security...

Introduction to C9800-universalk9_wlc.17.09.04.CSCwh31966.SPA.bin This critical security patch resolves vulnerabilities in Catalyst 9800 Series Wireless Controllers running IOS XE Cupertino 17.9.4 software. Released in April 2025, the update specifically targets cryptographic weaknesses in CAPWAP protocol implementations and strengthens administrative access controls...

Introduction to C9800-universalk9_wlc.17.09.03.CSCwf67455.SPA.apsp.bin This critical security maintenance patch resolves authentication bypass vulnerabilities (CSCwf67455) in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Cupertino 17.9.x software. Released on April 28, 2025, the update specifically targets networks using certificate-based administrative access...

Introduction to C9800-universalk9_wlc.17.09.03.CSCwe97460.SPA.apsp.bin This Cisco Software Maintenance Upgrade (SMU) addresses critical security vulnerabilities in Catalyst 9800 Series Wireless Controllers running IOS XE Cupertino 17.9.x software. Released on March 15, 2025, the update specifically resolves authentication bypass risks in web administration...

Introduction to C9800-80-universalk9_wlc.17.13.01.SPA.bin Software This firmware package delivers Cisco IOS XE Dublin 17.13.01 for Catalyst 9800-80 wireless controllers, addressing critical HA stability issues and enhancing Wi-Fi 7 readiness in enterprise environments. Designed for large-scale campus deployments, it supports 8,000+ access...

Introduction to C9800-80-universalk9_wlc.17.09.04a.SPA.bin Software This firmware package provides the Cisco IOS XE Cupertino 17.9.4a release for Catalyst 9800-80 wireless controllers, delivering critical security patches and performance optimizations for enterprise wireless networks. Released in Q4 2024, it maintains backward compatibility with...