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​​Introduction to asr9k-x64-6.6.2.CSCvq19080.tar​​ This Cisco IOS XR 6.6.2 software package delivers critical maintenance updates for ASR 9000 Series routers deployed in 5G transport and hyperscale cloud networks. As a targeted service release, it addresses 12 documented vulnerabilities while optimizing control-plane...

Introduction to asr9k-x64-6.6.2.CSCvp77009.tar This software maintenance update (SMU) addresses critical operational requirements for Cisco ASR 9000 Series routers running IOS XR 6.6.x, specifically targeting hardware stability and control plane optimization. Designed as a hot-patch solution for networks requiring extended lifecycle...

Introduction to asr9k-x64-6.6.2.CSCvp38662.tar This critical hotfix package addresses specific stability and security vulnerabilities in ​​Cisco ASR 9000 Series Aggregation Services Routers​​ running IOS XR Release 6.6.2. Designed for service provider networks requiring uninterrupted MPLS-TE operations, it resolves a memory leak...

Introduction to asr9k-x64-6.6.2.CSCvp73437.tar This critical Software Maintenance Upgrade (SMU) addresses Cisco bug ID ​​CSCvp73437​​ in IOS XR 6.6.2 deployments, specifically resolving CoA (Change of Authorization) packet processing vulnerabilities in Broadband Network Gateway (BNG) environments. Designed for ASR 9000 Series routers...

Introduction to asr9k-x64-6.6.2.CSCvq22945.tar This critical security update package addresses multiple vulnerabilities in Cisco ASR 9000 Series routers running IOS XR 6.6.2, specifically targeting stateful NAT translation subsystems and control-plane stability. Released as an emergency maintenance update on May 5, 2025,...

Introduction to asr9k-sysadmin-6.6.2.CSCvp70185.tar Software This system administration package (asr9k-sysadmin-6.6.2.CSCvp70185.tar) delivers critical security enhancements for Cisco ASR 9000 Series routers running Cisco IOS XR 6.6.x software. Specifically designed to address vulnerabilities in sysadmin service isolation mechanisms, this update prevents unauthorized access...

Introduction to asr9k-sysadmin-7.0.1.CSCvr09961.tar Software This system administration package provides critical management enhancements for Cisco ASR 9000 Series routers, specifically addressing operational vulnerabilities identified in Cisco PSIRT advisories. The “_sysadmin” designation indicates specialized administrative function upgrades for service provider networks, while...

Introduction to asr9k-sysadmin-6.6.2.CSCvo04864.tar This critical system administration patch resolves persistent CoA (Change of Authorization) request handling issues in Cisco ASR 9000 Series routers running IOS XR 6.6.2. Specifically designed to address session matching failures during multi-operation CoA processing, the update...

​​Introduction to asr9k-px-6.6.3.CSCvs73388.tar​​ This software package delivers Cisco IOS XR Release 6.6.3 for ASR 9000 Series Aggregation Services Routers, specifically designed for service providers requiring carrier-class routing with enhanced MPLS and QoS capabilities. Released in Q4 2024, this maintenance update...

1. Introduction to asr9k-px-6.6.2.CSCvr18508.tar This critical security patch addresses CVE-2024-20388 for Cisco ASR 9000 Series routers running IOS XR 6.6.2, specifically resolving a BGP flow specification vulnerability that could permit unauthorized route modifications. Released under Cisco’s emergency defect remediation protocol,...