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Cisco IOS XE Software — Vulnerabilities & Security Advisories 224

All 224 CVE vulnerabilities found in Cisco IOS XE Software, with AI-generated Chinese analysis, references, and POCs.

This page aggregates known security vulnerabilities affecting Cisco IOS XE Software, focusing on specific weakness classes within the Cisco product line. It compiles a chronological record of disclosed flaws, ranging from earlier releases to the most recent security advisories issued by Cisco. Readers can use this resource to track the vendor's advisory history, analyze recurring weakness types, and review the complete vulnerability history for this specific software. The collection covers multiple years of disclosures, allowing users to identify patterns in how the product has evolved security-wise. No individual CVE identifiers are listed here; instead, the focus remains on the aggregate view of risk exposure over time. This serves as a reference point for security teams assessing long-term maintenance needs and patching priorities for networks running IOS XE.

Vendor: n/a

CVE ID Title CVSS Severity Published
CVE-2026-20311 Cisco IOS XE Software Web UI Denial of Service Vulnerability CWE-126 6.3 Medium 2026-08-05
CVE-2026-20301 Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability CWE-606 8.6 High 2026-08-05
CVE-2026-20308 Cisco IOS XE Software Web-Based Management Interface Vulnerability CWE-269 4.3 Medium 2026-08-05
CVE-2026-20273 Cisco IOS XE Software Security Hardening Release CWE-20 8.6 High 2026-08-05
CVE-2026-20272 Cisco IOS XE Software Security Hardening Release CWE-74 9.8 Critical 2026-08-05
CVE-2026-20271 Cisco IOS XE Software Security Hardening Release CWE-691 8.6 High 2026-08-05
CVE-2026-20270 Cisco IOS XE Software Security Hardening Release CWE-682 8.6 High 2026-08-05
CVE-2026-20269 Cisco IOS XE Software Security Hardening Release CWE-664 8.6 High 2026-08-05
CVE-2026-20268 Cisco IOS XE Software Security Hardening Release CWE-119 8.6 High 2026-08-05
CVE-2026-20267 Cisco IOS XE Software Security Hardening Release CWE-284 9.0 Critical 2026-08-05
CVE-2026-20263 Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability CWE-388 8.6 High 2026-08-05
CVE-2026-20124 Cisco IOS XE Software SNMP Denial of Service Vulnerability CWE-772 7.7 High 2026-08-05
CVE-2026-20112 Cisco IOS XE Software 跨站脚本漏洞 CWE-79 4.8 Medium 2026-03-25
CVE-2026-20113 Cisco IOS XE Software 注入漏洞 CWE-93 5.3 Medium 2026-03-25
CVE-2026-20114 Cisco IOS XE Software 安全漏洞 CWE-1286 5.4 Medium 2026-03-25
CVE-2026-20115 Cisco IOS XE Software 安全漏洞 CWE-319 6.1 Medium 2026-03-25
CVE-2026-20083 Cisco IOS XE Software 安全漏洞 CWE-235 6.5 Medium 2026-03-25
CVE-2026-20110 Cisco IOS XE Software 安全漏洞 CWE-266 6.5 Medium 2026-03-25
CVE-2026-20104 Cisco多款产品 安全漏洞 CWE-124 6.1 Medium 2026-03-25
CVE-2026-20004 Cisco IOS XE Software 安全漏洞 CWE-771 7.4 High 2026-03-25
CVE-2026-20086 Cisco IOS XE Wireless Controller software 安全漏洞 CWE-230 8.6 High 2026-03-25
CVE-2026-20084 Cisco IOS XE Software 资源管理错误漏洞 CWE-400 8.6 High 2026-03-25
CVE-2025-20314 Cisco IOS XE 安全漏洞 CWE-232 6.7 Medium 2025-09-24
CVE-2025-20316 Cisco IOS XE 访问控制错误漏洞 CWE-284 5.3 Medium 2025-09-24
CVE-2025-20293 Cisco IOS XE Software 安全漏洞 CWE-459 5.3 Medium 2025-09-24
CVE-2025-20338 Cisco IOS XE 安全漏洞 CWE-141 6.0 Medium 2025-09-24
CVE-2025-20240 Cisco IOS XE Software 安全漏洞 CWE-692 6.1 Medium 2025-09-24
CVE-2025-20313 Cisco IOS XE 安全漏洞 CWE-35 6.7 Medium 2025-09-24
CVE-2025-20311 Cisco IOS XE Software 代码问题漏洞 CWE-19 7.4 High 2025-09-24
CVE-2025-20312 Cisco IOS XE 安全漏洞 CWE-835 7.7 High 2025-09-24

All 224 known CVE vulnerabilities affecting Cisco IOS XE Software with full Chinese analysis, references, and POCs where available.