Cisco IOS XR
107 CVEs tracked. 6 of them are in CISA KEV.
This hub aggregates every CVE we track for Cisco IOS XR, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.
Cisco IOS XR CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 5 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 2 |
| 2025-03 | 10 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 3 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 4 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 107 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical2
- High53
- Medium52
Latest CVEs
The 15 most recently published vulnerabilities affecting Cisco IOS XR.
- CVE-2026-20118Cisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Interfaces Aligner Interrupt Denial of Service Vulnerability6.8
- CVE-2026-20046Cisco IOS XR Software CLI Privilege Escalation Vulnerability8.8
- CVE-2026-20040Cisco IOS XR Software CLI Privilege Escalation Vulnerability8.8
- CVE-2026-20074Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability7.4
- CVE-2025-20340Cisco IOS XR Address Resolution Protocol Broadcast Storm Vulnerability7.4
- CVE-2025-20159Cisco IOS XR Software Management Interface ACL Bypass Vulnerability5.3
- CVE-2025-20248Cisco IOS XR Software Image Verification Bypass Vulnerability6.0
- CVE-2025-20209Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability7.5
- CVE-2025-20177Cisco IOS XR Software Image Verification Bypass Vulnerability6.7
- CVE-2025-20146Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Service Vulnerability8.6
- CVE-2025-20145Cisco IOS XR Software Access Control List Bypass Vulnerability5.8
- CVE-2025-20144Cisco IOS XR Software Access Control List Bypass Vulnerability4.0
- CVE-2025-20143Cisco IOS XR Software Secure Boot Bypass Vulnerability6.7
- CVE-2025-20142Cisco IOS XR Software for ASR 9000 Series Routers L2VPN Denial of Service Vulnerability8.6
- CVE-2025-20141Cisco IOS XR Software Release 7.9.2 Denial of Service Vulnerabillity7.4
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