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Cisco IOS XR Software — Vulnerabilities & Security Advisories 106

All 106 CVE vulnerabilities found in Cisco IOS XR Software, with AI-generated Chinese analysis, references, and POCs.

Vendor: n/a

CVE IDTitleCVSSSeverityPaused
CVE-2026-20118 Cisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Interfaces Aligner Interrupt Denial of Service Vulnerability CWE-460 6.8 Medium2026-03-11
CVE-2026-20046 Cisco IOS XR Software CLI Privilege Escalation Vulnerability CWE-264 8.8 High2026-03-11
CVE-2026-20074 Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability CWE-1287 7.4 High2026-03-11
CVE-2026-20040 Cisco IOS XR Software CLI Privilege Escalation Vulnerability CWE-78 8.8 High2026-03-11
CVE-2025-20340 Cisco IOS XR Address Resolution Protocol Broadcast Storm Vulnerability CWE-400 7.4 High2025-09-10
CVE-2025-20159 Cisco IOS XR Software Management Interface ACL Bypass Vulnerability CWE-284 5.3 Medium2025-09-10
CVE-2025-20248 Cisco IOS XR Software Image Verification Bypass Vulnerability CWE-347 6.0 Medium2025-09-10
CVE-2025-20154 Cisco IOS, IOS XE and IOS XR Software TWAMP Denial of Service Vulnerability CWE-20 8.6 High2025-05-07
CVE-2025-20209 Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability CWE-770 7.5 High2025-03-12
CVE-2025-20177 Cisco IOS XR Software Image Verification Bypass Vulnerability CWE-274 6.7 Medium2025-03-12
CVE-2025-20146 Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Service Vulnerability CWE-20 8.6 High2025-03-12
CVE-2025-20145 Cisco IOS XR Software Access Control List Bypass Vulnerability CWE-264 5.8 Medium2025-03-12
CVE-2025-20144 Cisco IOS XR Software Access Control List Bypass Vulnerability CWE-284 4.0 Medium2025-03-12
CVE-2025-20143 Cisco IOS XR Software Secure Boot Bypass Vulnerability CWE-347 6.7 Medium2025-03-12
CVE-2025-20142 Cisco IOS XR Software for ASR 9000 Series Routers L2VPN Denial of Service Vulnerability CWE-20 8.6 High2025-03-12
CVE-2025-20141 Cisco IOS XR Software Release 7.9.2 Denial of Service Vulnerabillity CWE-770 7.4 High2025-03-12
CVE-2025-20138 Cisco IOS XR Software CLI Privilege Escalation Vulnerability CWE-78 8.8 High2025-03-12
CVE-2025-20115 Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability CWE-120 8.6 High2025-03-12
CVE-2021-1440 Cisco IOS XR Software BGP Resource Public Key Infrastructure Denial of Service Vulnerability CWE-617 6.8 Medium2024-11-18
CVE-2022-20655 Cisco 多款产品操作系统命令注入漏洞 CWE-78 8.8 High2024-11-15
CVE-2022-20846 Cisco IOS XR Software Cisco Discovery Protocol Buffer Overflow Vulnerability CWE-120 4.3 Medium2024-11-15
CVE-2022-20845 Cisco Network Convergence System 4000 Series TL1 Denial of Service Vulnerability CWE-789 6.0 Medium2024-11-15
CVE-2022-20849 Cisco IOS XR Software Broadband Network Gateway PPPoE Denial of Service Vulnerability CWE-391 6.1 Medium2024-11-15
CVE-2024-20304 Cisco IOS XR Software Packet Memory Exhaustion Vulnerability CWE-401 8.6 High2024-09-11
CVE-2024-20489 Cisco Routed Passive Optical Network Cleartext Password Vulnerability CWE-256 8.4 High2024-09-11
CVE-2024-20483 Cisco IOS XR PON Controller Command Injection Vulnerabilities CWE-78 7.2 High2024-09-11
CVE-2024-20406 Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability CWE-20 7.4 High2024-09-11
CVE-2024-20381 Cisco Network Services Orchestrator Configuration Update Authorization Bypass Vulnerability CWE-285 8.8 High2024-09-11
CVE-2024-20317 Cisco IOS XR Software Layer 2 Services Denial of Service Vulnerability CWE-684 7.4 High2024-09-11
CVE-2024-20398 Cisco IOS XR Software Local Privilege Escalation Vulnerability CWE-78 8.8 High2024-09-11

All 106 known CVE vulnerabilities affecting Cisco IOS XR Software with full Chinese analysis, references, and POCs where available.