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Cisco NX-OS Software — Vulnerabilities & Security Advisories 103

All 103 CVE vulnerabilities found in Cisco NX-OS Software, with AI-generated Chinese analysis, references, and POCs.

This page aggregates security vulnerabilities for Cisco NX-OS Software, a network operating system produced by Cisco Systems. The collection comprises documented weaknesses within this specific product, including memory corruption, privilege escalation, and denial-of-service flaws, covering advisories published since 2012. Visitors can use this resource to track the vendor's latest security advisories, understand the prevalence of specific weakness classes, and review the complete vulnerability history of the product. By centralizing these records, the page serves as a reference for security teams needing to monitor patch releases and assess residual risk.

Vendor: n/a

CVE ID Title CVSS Severity Published
CVE-2026-76501 Cisco Nexus 9000 Series Switches SRv6 OAM (NGOAM) Remote Code Execution Vulnerability CWE-121 9.8 Critical 2026-10-07
CVE-2026-76486 Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerability CWE-121 9.8 Critical 2026-10-07
CVE-2026-76485 Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerability CWE-121 9.8 Critical 2026-10-07
CVE-2026-76458 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Handling of Exceptional Conditions Vulnerabilities CWE-703 8.6 High 2026-10-07
CVE-2026-76459 Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities CWE-787 8.8 High 2026-10-07
CVE-2026-76471 Cisco NX-OS Software NX-API Remote Code Execution Vulnerability CWE-122 9.8 Critical 2026-10-07
CVE-2026-76455 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities CWE-284 9.8 Critical 2026-10-07
CVE-2026-76457 Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Read Vulnerabilities CWE-125 8.6 High 2026-10-07
CVE-2026-76456 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Input Validation Vulnerabilities CWE-20 8.6 High 2026-10-07
CVE-2026-76465 Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability CWE-590 9.8 Critical 2026-10-07
CVE-2026-76453 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Neutralization Vulnerabilities CWE-707 8.8 High 2026-10-07
CVE-2026-20173 Cisco NX-OS Software Denial of Service Vulnerability CWE-770 5.8 Medium 2026-10-07
CVE-2026-20032 Cisco NX-OS Software Python Sandbox Escape Vulnerability CWE-653 4.4 Medium 2026-10-07
CVE-2026-20212 Cisco Nexus 3000 and 9000 Series Switches Silicon One Hardware Abstraction Layer Remote Code Execution Vulnerability CWE-1327 9.8 Critical 2026-09-02
CVE-2026-20171 Cisco Nexus 3000 and 9000 Series Border Gateway Protocol Denial of Service Vulnerability CWE-670 6.8 Medium 2026-05-20
CVE-2026-20010 Cisco Nexus 3000 and 9000 Series Switches Link Layer Discovery Protocol Denial of Service Vulnerability CWE-805 7.4 High 2026-02-25
CVE-2026-20051 Cisco Nexus 3600-R and 9500-R Series Switching Platforms Layer 2 Loop Denial of Service Vulnerability CWE-457 7.4 High 2026-02-25
CVE-2025-20241 Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol <TBD> Denial of Service Vulnerability CWE-733 7.4 High 2025-08-27
CVE-2025-20262 Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability CWE-476 5.0 Medium 2025-08-27
CVE-2025-20290 Cisco NXOS Software Sensitive Log Information Disclosure Vulnerability CWE-200 5.5 Medium 2025-08-27
CVE-2025-20292 Cisco NXOS Software Command Injection Vulnerability CWE-78 4.4 Medium 2025-08-27
CVE-2025-20191 Multiple Cisco Products Denial of Service Vulnerability CWE-805 7.4 High 2025-05-07
CVE-2025-20161 Cisco NX-OS Software Command Injection Vulnerability CWE-78 5.1 Medium 2025-02-26
CVE-2025-20111 Cisco Nexus 3000 and 9000 Series Switches Layer 2 Ethernet Denial of Service Vulnerability CWE-1220 7.4 High 2025-02-26
CVE-2024-20397 Cisco NX-OS Software Image Verification Bypass Vulnerability CWE-284 5.2 Medium 2024-12-04
CVE-2024-20284 Cisco NX-OS Software Python Parser Escape Vulnerability CWE-693 5.3 Medium 2024-08-28
CVE-2024-20285 Cisco NX-OS Software Python Parser Escape Vulnerability CWE-653 5.3 Medium 2024-08-28
CVE-2024-20286 Cisco NX-OS Software Python Parser Escape Vulnerability CWE-693 5.3 Medium 2024-08-28
CVE-2024-20446 Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service Vulnerability CWE-476 8.6 High 2024-08-28
CVE-2024-20289 Cisco NX-OS Software Command Injection Vulnerability CWE-78 4.4 Medium 2024-08-28

All 103 known CVE vulnerabilities affecting Cisco NX-OS Software with full Chinese analysis, references, and POCs where available.