Archives

Introduction to C9800-CL-universalk9.17.12.03.CSCwj96199.SPA.bin Software The C9800-CL-universalk9.17.12.03.CSCwj96199.SPA.bin is a critical Software Maintenance Upgrade (SMU) for Cisco’s cloud-native Catalyst 9800-CL Wireless Controller, specifically addressing high-priority stability and security issues in IOS XE Cupertino 17.12.x deployments. Released in Q1 2025 through Cisco’s TAC-approved...

Introduction to C9800-CL-universalk9.17.09.05.CSCwj96199.SPA.bin Software The C9800-CL-universalk9.17.09.05.CSCwj96199.SPA.bin is a Software Maintenance Upgrade (SMU) designed to address critical security vulnerabilities and operational stability issues in Cisco Catalyst 9800-CL cloud-native wireless controllers. Released on January 16, 2025, this hotfix targets environments running IOS...

Introduction to C9800-CL-universalk9.17.09.05.CSCwj17587.SPA.apsp.bin This Cisco Application-Specific Software Patch (APSP) provides critical security and operational updates for Catalyst 9800-CL cloud-native wireless controllers running IOS XE Cupertino 17.9.x software. Released on February 28, 2025, the patch addresses a critical configuration persistence vulnerability...

Introduction to C9800-CL-universalk9.17.12.04.CSCwj93876.SPA.bin This Application-Specific Service Patch (APSP) resolves critical configuration synchronization failures in Cisco Catalyst 9800-CL Wireless Controllers operating in HA SSO mode. Designed for networks running IOS XE Cupertino 17.12.x, the patch addresses CSCwj93876 – a software defect...

Introduction to C9800-CL-universalk9.17.09.04.CSCwh28727.SPA.apsp.bin Software The C9800-CL-universalk9.17.09.04.CSCwh28727.SPA.apsp.bin software package delivers critical security patches and stability improvements for Cisco’s cloud-native Catalyst 9800-CL Wireless Controller platform. As part of the Dublin-17.09.x release train, this maintenance build specifically addresses vulnerabilities identified in Cisco Bug...

Introduction to C9800-CL-universalk9.17.09.05.CSCwi21444.SPA.bin Software The C9800-CL-universalk9.17.09.05.CSCwi21444.SPA.bin is an AP Service Pack (APSP) security maintenance update designed for Cisco Catalyst 9800-CL cloud-native wireless controllers running IOS XE 17.9.x software. This hot patch addresses critical vulnerabilities while maintaining full backward compatibility with...

Introduction to C9800-CL-universalk9.17.09.04.CSCwh87343.SPA.bin Software The C9800-CL-universalk9.17.09.04.CSCwh87343.SPA.bin is a critical software maintenance update (SMU) for Cisco’s cloud-native Catalyst 9800-CL Wireless Controller, addressing security vulnerabilities and operational stability issues in IOS XE Cupertino 17.09.x deployments. Released on March 2025 as part of...

Introduction to C9800-CL-universalk9.17.06.05.CSCwe79126.SPA.apsp.bin This software package represents a critical Security Maintenance Update (SMU) for Cisco Catalyst 9800-CL cloud-native wireless controllers running IOS XE Cupertino 17.6.x. Released as APSP (Application-Specific Package) on March 15, 2025, it specifically addresses security vulnerabilities and...

Introduction to C9800-CL-universalk9.17.09.04.CSCwh47495.SPA.apsp.bin This Application-Specific Patch (APSP) addresses critical AP image validation failures caused by expired code-signing certificates in Cisco Catalyst 9800-CL Wireless Controllers. Designed for networks running IOS XE Cupertino 17.9.x, the patch resolves CSCwh47495 – a security advisory...

Introduction to C9800-CL-universalk9.17.09.02.CSCwd87612.SPA.apsp.bin This Application-Specific Patch (APSP) addresses critical AP image validation failures caused by expired code-signing certificates in Cisco Catalyst 9800-CL Wireless Controllers. Designed for networks running IOS XE Cupertino 17.9.x, the patch resolves CSCwd87612 – a security advisory...