Archives

Introduction to C9800-universalk9_wlc.17.09.04.CSCwf90646.SPA..bin Software This Software Maintenance Upgrade (SMU) addresses critical configuration persistence vulnerabilities in Cisco Catalyst 9800 Series Wireless Controllers operating in High Availability (HA) environments. Released on January 16, 2025, through Cisco Security Advisory CSCwf90646, the package specifically...

Introduction to C9800-40-universalk9_wlc.17.12.03.SPA.bin This software package provides the IOS XE Cupertino 17.12.03 baseline code for Cisco Catalyst 9800-40 Wireless Controllers, focusing on Wi-Fi 6E optimization and enhanced network resiliency. Designed for enterprises requiring 802.11ax Wave 2 capabilities, it introduces improved...

Introduction to C9800-40-universalk9_wlc.17.09.03.SPA.bin This software package delivers critical updates for Cisco Catalyst 9800-40 Wireless Controllers running IOS XE 17.9.x releases. Designed to address stability and security concerns in enterprise wireless networks, it implements targeted fixes for high-availability configurations and wireless...

​​Introduction to C9800-40-universalk9_wlc.17.10.01.SPA.bin​​ This software release delivers critical updates for Cisco Catalyst 9800-40 Wireless Controllers operating on IOS XE Amsterdam 17.10.x. Designed for enterprise-grade wireless networks, it resolves security vulnerabilities and enhances operational stability in environments utilizing 9130AXI/9166 access points....

Introduction to C9800-40-universalk9_wlc.17.09.05.SPA.bin This software package provides critical updates for Cisco Catalyst 9800-40 Wireless Controllers operating on IOS XE Amsterdam 17.9.x codebase. Released in Q1 2025 as part of Cisco’s semi-annual security maintenance cycle, it specifically addresses vulnerabilities documented in...

​​Introduction to C9800-L-universalk9_wlc.17.12.04.CSCwn02956.SPA.apsp.bin​​ This Atomic Programmable Service Package (APSP) delivers critical updates for Cisco Catalyst 9800-L Wireless Controllers running IOS XE 17.12.04. Released in April 2025, it addresses security vulnerabilities and operational stability issues identified in enterprise wireless deployments. The...

​​Introduction to C9800-CL-universalk9.17.12.04.CSCwm71871.SPA.apsp.bin​​ This software package delivers critical updates for Cisco Catalyst 9800-CL Wireless LAN Controllers running IOS XE 17.12.x. Released in Q1 2025, it addresses specific security vulnerabilities and operational stability requirements for cloud-deployed wireless infrastructure. Designed for enterprise...

Introduction to C9800-40-universalk9_wlc.17.06.04.SPA.bin This firmware package delivers Cisco IOS XE Amsterdam 17.06.04 for Catalyst 9800-40 wireless controllers operating in large-scale enterprise environments. Designed as a maintenance release under Cisco’s software lifecycle policy, it targets critical stability improvements for high-density Wi-Fi...

Introduction to C9800-40-universalk9_wlc.17.03.06.SPA.bin This firmware package delivers Cisco IOS XE Amsterdam 17.03.06 for Catalyst 9800-40 wireless controllers, designed to address critical network stability and security requirements in enterprise environments. As an engineering special build released in Q4 2024, it resolves...

Introduction to C9800-universalk9_wlc.17.12.04.CSCwn86874.SPA.apsp.bin This Application-Specific Software Package (ASSP) delivers targeted enhancements for Cisco Catalyst 9800 series wireless controllers operating in enterprise-grade Wi-Fi 6E environments. Released as an intermediate patch under IOS XE Amsterdam 17.12.04 code train, it specifically resolves critical...