Archives

Introduction to C9800-universalk9_wlc.17.12.04.CSCwm33207.SPA..bin This critical software update resolves memory management defects in Cisco Catalyst 9800 Series Wireless Controllers operating on IOS XE Amsterdam 17.12.x code trains. Released through Cisco’s Engineering Special Archives (ESA) program in Q2 2025, the update specifically...

Introduction to C9800-universalk9_wlc.17.12.04.CSCwi78109.SPA..bin This specialized APSP (Application-Specific Package) release addresses critical operational stability issues in Cisco Catalyst 9800 Series Wireless Controllers running IOS XE Amsterdam 17.12.x code trains. Officially published in Q3 2025 through Cisco’s Engineering Special Archives (ESA) program,...

Introduction to C9800-universalk9_wlc.17.09.03.CSCwf67455.SPA.apsp.bin This specialized software package delivers critical stability updates for Cisco Catalyst 9800 Series Wireless Controllers operating on IOS XE Amsterdam 17.09.x code trains. Released in Q1 2025 through Cisco’s Engineering Special Archives (ESA) program, this APSP (Application-Specific...

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 cat9k_lite_iosxe.16.09.08.SPA.bin Software Designed for Cisco Catalyst 9200 Series switches, this IOS XE Lite firmware (version 16.09.08) delivers optimized performance for small-to-medium enterprise networks. As a maintenance release under the 16.9.x train, it provides stability improvements while maintaining feature...

Introduction to C9800-80-universalk9_wlc.17.15.02b.SPA.bin Software This firmware release delivers Cisco IOS XE 17.15.02b for Catalyst 9800-80 Wireless Controllers, addressing critical security vulnerabilities and operational stability improvements for enterprise WLAN deployments. Released on April 30, 2025, as part of Cisco’s Extended Maintenance...

Introduction to C9800-80-universalk9_wlc.17.15.02.SPA.bin Software This firmware release delivers Cisco IOS XE 17.15.02 for Catalyst 9800-80 Wireless Controllers, addressing critical security vulnerabilities and operational enhancements for enterprise WLAN deployments. Released on December 8, 2024, as part of Cisco’s quarterly maintenance cycle,...

Introduction to C9800-80-universalk9_wlc.17.09.06.SPA.bin Software This firmware release delivers Cisco IOS XE 17.09.06 for Catalyst 9800-80 Wireless Controllers, addressing critical security vulnerabilities and operational stability improvements for enterprise WLAN deployments. Released on April 30, 2025, as part of Cisco’s Extended Maintenance...