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​​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...

​​Introduction to asr9k-px-6.6.3.CSCvs74069.tar Software​​ This critical security patch package addresses vulnerabilities identified in Cisco ASR 9000 Series routers running IOS XR 64-bit Release 6.6.3. Designed for network operators managing high-availability service provider infrastructures, the update resolves three CVEs affecting control-plane...

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,...

Introduction to asr9k-px-6.6.3.CSCvs38481.tar Software This software patch addresses critical vulnerabilities in Cisco ASR 9000 Series routers running IOS XR 6.6.3, specifically targeting the CSCvs38481 defect related to BGP session stability under high traffic loads. Designed for service provider environments, the...

Introduction to asr9k-px-6.6.2.CSCvq51489.tar This Cisco IOS XR software patch package addresses critical vulnerabilities in ASR 9000 Series routers, specifically designed for service providers operating high-density 400G/800G networks. Released under emergency security advisory CVRF-2025-ASR9K-006, the update resolves memory corruption risks identified...

Introduction to asr9k-px-6.6.2.CSCvq82324.tar Software This software package (asr9k-px-6.6.2.CSCvq82324.tar) is a critical maintenance release for Cisco ASR 9000 Series Routers running IOS XR Software Release 6.6.x. Designed to address operational stability in high-density traffic environments, it specifically resolves memory management vulnerabilities...

Introduction to asr9k-px-6.6.2.CSCvr27322.tar The ​​asr9k-px-6.6.2.CSCvr27322.tar​​ is a critical security update package for Cisco ASR 9000 Series routers running IOS XR 7.6.x software trains. Released in March 2025 under Cisco Security Advisory CSCvr27322, this hotfix specifically addresses RADIUS Change of Authorization...

1. Introduction to asr9k-px-6.6.2.CSCvq59254.tar This Cisco IOS XR software package provides critical updates for ASR 9000 Series routers, specifically addressing hardware compatibility and security vulnerabilities in legacy deployments. Released under Cisco’s Extended Maintenance Program, version 6.6.2.CSCvq59254 delivers essential stability improvements...

Introduction to ASR9K-x64-iosxr-px-k9-6.6.2.tar This software package delivers Cisco IOS XR 6.6.2 for ASR 9000 Series routers, specifically optimized for service provider edge deployments requiring extended protocol support and cryptographic compliance. The “_x64” designation confirms 64-bit architecture support, while “_px-k9” indicates...

​​Introduction to asr9k-px-6.6.2.CSCvp87602.tar​​ This Cisco IOS XR Software maintenance release (version 6.6.2) addresses critical operational stability issues in ASR 9000 Series routers deployed in carrier-grade networks. The “CSCvp87602” identifier confirms this package resolves a documented control-plane vulnerability affecting multi-service CoA...