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CVE-2025-20315

Cisco IOS XE - NBAR

Cisco CVSS 8.6 Updated March 16, 2026

Executive Risk Summary

"A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, causing a denial of service (DoS) condition. This vulnerability is due to improper handling of malformed Control and Provisioning of Wireless Access Points (CAPWAP) packets."

Operational Audit Arsenal

Target Type Firmware Image
Target Asset Cisco IOS XE
Standard Path Global Firmware

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

High

Internal Work Notes

CVE-2025-20315: Cisco IOS XE NBAR DoS Vulnerability - Potential for device reload and denial of service condition due to malformed CAPWAP packets.

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Intelligence Sources

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Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.