Archives

Introduction to C9800-universalk9_wlc.17.09.04.CSCwh83205.SPA.apsp.bin This Application-Specific Software Patch (APSP) addresses critical security vulnerabilities and operational enhancements for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE 17.9.x. Released in Q2 2025, it specifically resolves CSCwh83205 – a certificate validation bypass vulnerability...

Introduction to C9800-universalk9_wlc.17.09.04.CSCwh28727.SPA.apsp.bin This Access Point Service Pack (APSP) addresses critical vulnerabilities identified in Cisco Security Advisory CSCwh28727 for Catalyst 9800 Series Wireless Controllers running IOS XE 17.9.04. Designed for enterprises requiring FIPS 140-3 compliance and high-density Wi-Fi 6E deployments,...

Introduction to C9800-universalk9_wlc.17.09.03.CSCwf67455.SPA.apsp.bin This Application-Specific Software Patch (APSP) addresses critical security vulnerabilities and operational enhancements for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE 17.9.x. Released in Q1 2025, it specifically resolves CSCwf67455 – a high-priority certificate validation flaw...

Introduction to C9800-universalk9_wlc.17.09.03.CSCwf84244.SPA.apsp.bin This Access Point Service Pack (APSP) addresses critical vulnerabilities identified in Cisco Security Advisory CSCwf84244 for Catalyst 9800 Series Wireless Controllers running IOS XE 17.9.x releases. Designed as a mandatory update for environments using WPA3-Enterprise authentication or...

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.17.09.05.SPA.bin This software package delivers essential security and operational updates for Cisco Catalyst 9800-40 wireless controllers running IOS XE 17.9.x. Released in Q4 2024, it specifically addresses critical vulnerabilities identified in Cisco security advisory CSCwn54220 while maintaining backward...

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-L-universalk9_wlc.17.12.04.CSCwn02956.SPA.apsp.bin This software package represents an Access Point Service Pack (APSP) security patch for Cisco Catalyst 9800 Series Wireless Controllers running IOS XE 17.12.04. Designed to address critical vulnerabilities identified in Cisco Security Advisory CSCwn02956, this APSP provides...

Introduction to C9800-L-universalk9_wlc.17.09.06.CSCwn54220.SPA.apsp.bin This software package serves as a critical APSP (Application-Specific Software Patch) for Cisco Catalyst 9800-L wireless controllers running IOS XE 17.9.x. Released in Q2 2024, it specifically addresses security vulnerabilities identified in CSCwn54220 while maintaining full compatibility...

Introduction to C9800-40-universalk9_wlc.17.12.02.SPA.bin This software package provides critical updates for Cisco Catalyst 9800-40 Wireless Controllers operating on IOS XE Dublin 17.12.x codebase. Released in Q1 2025 under Cisco’s Enhanced Delivery (ED) maintenance cycle, it addresses CSCwn54220 – a memory allocation...