What is CVE-2025-20146?

CVE-2025-20146 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2025-03-12.

How severe is CVE-2025-20146?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Cisco Ios Xr Software

CVE-2025-20146

A vulnerability in the Layer 3 multicast feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unaut…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (76.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xr Software — versions 7.11.1, 7.9.21, 7.10.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cisco-sa-multicast-ERMrSvq7
Crafting endless AS-PATHS in BGP

Frequently asked questions

What is CVE-2025-20146?: CVE-2025-20146 is a high-severity vulnerability in Cisco Ios Xr Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2025-03-12.
How severe is CVE-2025-20146?: High severity. CVSS v3 base score is 8.6 out of 10.