Ios xr

This hub aggregates every CVE we track for Ios xr, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Ios xr.

• CVE-2026-20280Cisco IOS XR Software Security Hardening Release: September 20268.8Sep 2, 2026
• CVE-2026-20274Cisco IOS XR Software Security Hardening Release: September 20269.8Sep 2, 2026
• CVE-2026-20276Cisco IOS XR Software Security Hardening Release: September 20268.6Sep 2, 2026
• CVE-2026-20046Cisco IOS XR Software CLI Privilege Escalation Vulnerability8.8Mar 11, 2026
• CVE-2026-20040Cisco IOS XR Software CLI Privilege Escalation Vulnerability8.8Mar 11, 2026
• CVE-2026-20074Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability7.4Mar 11, 2026
• CVE-2025-20363A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco IOS Software, Cisco IOS XE Softwa...9.0Sep 25, 2025
• CVE-2025-20248Cisco IOS XR Software Image Verification Bypass Vulnerability6.0Sep 10, 2025
• CVE-2025-20154Cisco IOS, IOS XE and IOS XR Software TWAMP Denial of Service Vulnerability8.6May 7, 2025
• CVE-2025-20209Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability7.5Mar 12, 2025
• CVE-2025-20177Cisco IOS XR Software Image Verification Bypass Vulnerability6.7Mar 12, 2025
• CVE-2025-20146Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Service Vulnerability8.6Mar 12, 2025
• CVE-2025-20145Cisco IOS XR Software Access Control List Bypass Vulnerability5.8Mar 12, 2025
• CVE-2025-20144Cisco IOS XR Software Access Control List Bypass Vulnerability4.0Mar 12, 2025
• CVE-2025-20143Cisco IOS XR Software Secure Boot Bypass Vulnerability6.7Mar 12, 2025