Cisco IOS XR

NewsSecurity Vulnerabilities

Cisco IOS XR Software Image Verification Bypass Vulnerability (CVE-2025-20248)

Jason Davies 1112 Views 0 Comments ,  ,  ,  ,  1 min read

CVE number = CVE-2025-20248 A vulnerability in the installation process of Cisco IOS XR Software could allow an authenticated, local

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Cisco IOS XR Software Release 7.9.2 Denial of Service Vulnerability (CVE-2025-20141)

Jason Davies 1434 Views 0 Comments ,  ,  ,  1 min read

A vulnerability in the handling of specific packets that are punted from a line card to a route processor in Cisco IOS XR Software Release 7.9.2 could allow an unauthenticated, adjacent attacker to cause control plane traffic to stop working on multiple Cisco IOS XR platforms.

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Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability (CVE-2025-20209)

Jason Davies 1398 Views 0 Comments ,  ,  ,  1 min read

CVE-2025-20209 – A vulnerability in the Internet Key Exchange version 2 (IKEv2) function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to prevent an affected device from processing any control plane UDP packets.

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Cisco IOS XR Software Broadband Network Gateway PPP over Ethernet Denial of Service Vulnerability [CVE-2022-20849]

Jason Davies 3597 Views 0 Comments ,  ,  ,  ,  1 min read

A vulnerability in the Broadband Network Gateway PPP over Ethernet (PPPoE) feature of Cisco IOS XR Software could allow an

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NewsSecurity Vulnerabilities

Cisco IOS XR Software Arbitrary File Read and Write Vulnerability [CVE-2021-34718]

Jason Davies 3130 Views 0 Comments ,  ,  ,  0 min read

CVE number = CVE-2021-34718 A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated,

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NewsSecurity Vulnerabilities

Cisco IOS XR Software Arbitrary File Read and Write Vulnerability [CVE-2021-34718]

Duncan 3751 Views 0 Comments ,  ,  ,  0 min read

CVE number – CVE-2021-34718 A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated,

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NewsSecurity Vulnerabilities

Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers Slow Path Forwarding Denial of Service Vulnerability [CVE-2020-26070]

Duncan 4494 Views 0 Comments ,  ,  ,  ,  2 min read

CVE number – CVE-2020-26070 A vulnerability in the egress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series

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Cisco IOS XR Software Enhanced Preboot eXecution Environment Unsigned Code Execution Vulnerability [CVE-2020-3284]

Duncan 3744 Views 0 Comments ,  ,  ,  ,  1 min read

CVE number – CVE-2020-3284 A vulnerability in the enhanced Preboot eXecution Environment (PXE) boot loader for Cisco IOS XR 64-bit Software

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