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​​Introduction to C9800-40-universalk9_wlc.17.09.03.SPA.bin​​ This software package provides critical updates for Cisco Catalyst 9800-40 Wireless Controllers running IOS XE Amsterdam 17.09.x. Released in Q4 2024, it addresses operational stability requirements and security vulnerabilities identified in enterprise wireless networks supporting 9130AXI/9166 access...

​​Introduction to C9800-40-universalk9_wlc.17.06.04.SPA.bin​​ This software package delivers critical updates for Cisco Catalyst 9800-40 Wireless Controllers running IOS XE Amsterdam 17.06.x. Released in Q2 2025, it addresses operational stability issues and security vulnerabilities identified in enterprise wireless networks supporting 9130AXI/9166 access...

​​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-L-universalk9_wlc.17.09.06.CSCwn54220.SPA.apsp.bin This Access Point Service Pack (APSP) provides targeted firmware updates for Cisco Catalyst 9800-L Wireless Controllers managing Wi-Fi 6/6E access points. Released in Q4 2024 as part of Cisco’s security maintenance cycle, it specifically addresses vulnerabilities documented...

​​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 APSP Software APSP (Access Point Service Pack) is a critical firmware component for Cisco Catalyst 9800 Series Wireless Controllers, designed to deploy targeted bug fixes and security patches for managed access points (APs) without requiring full controller software...

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.17.03.08a.SPA.bin This firmware package provides critical maintenance updates for Cisco Catalyst 9800-40 wireless controllers running IOS XE 17.03.x software. Designed to address operational stability and security vulnerabilities, version 17.03.08a enhances controller performance in high-density Wi-Fi 6/6E deployments while...

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.17.15.02.CSCwo03262.SPA.apsp.bin This Application-Specific Security Patch (APSP) addresses critical vulnerabilities in Cisco Catalyst 9800 series wireless controllers running IOS XE 17.15.x software. Released through Cisco’s Security Vulnerability Policy program on March 22, 2025, it provides targeted remediation for CAPWAP...