CVE-2025-20315

HIGHCVSS 8.6/10

Last modified

CVE-2025-20315 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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. An attacker could exploit this vulnerability by sending malformed CAPWAP packets through an affected device.

Description

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. An attacker could exploit this vulnerability by sending malformed CAPWAP packets through an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos Xe3.7.0bs
CiscoIos Xe3.7.0s
CiscoIos Xe3.7.1as
CiscoIos Xe3.7.1s
CiscoIos Xe3.7.2s
CiscoIos Xe3.7.2ts
CiscoIos Xe3.7.3s
CiscoIos Xe3.7.4as
CiscoIos Xe3.7.4s
CiscoIos Xe3.7.5s
CiscoIos Xe3.7.6s
CiscoIos Xe3.7.7s
CiscoIos Xe3.8.0s
CiscoIos Xe3.8.1s
CiscoIos Xe3.8.2s
CiscoIos Xe3.9.0as
CiscoIos Xe3.9.0s
CiscoIos Xe3.9.1as
CiscoIos Xe3.9.1s
CiscoIos Xe3.9.2s
CiscoIos Xe3.11.0s
CiscoIos Xe3.11.1s
CiscoIos Xe3.11.2s
CiscoIos Xe3.11.3s
CiscoIos Xe3.11.4s
CiscoIos Xe3.12.0as
CiscoIos Xe3.12.0s
CiscoIos Xe3.12.1s
CiscoIos Xe3.12.2s
CiscoIos Xe3.12.3s
CiscoIos Xe3.12.4s
CiscoIos Xe3.13.0as
CiscoIos Xe3.13.0s
CiscoIos Xe3.13.1s
CiscoIos Xe3.13.2as
CiscoIos Xe3.13.2s
CiscoIos Xe3.13.3s
CiscoIos Xe3.13.4s
CiscoIos Xe3.13.5as
CiscoIos Xe3.13.5s
CiscoIos Xe3.13.6as
CiscoIos Xe3.13.6s
CiscoIos Xe3.13.7as
CiscoIos Xe3.13.7s
CiscoIos Xe3.13.8s
CiscoIos Xe3.13.9s
CiscoIos Xe3.13.10s
CiscoIos Xe3.14.0s
CiscoIos Xe3.14.1s
CiscoIos Xe3.14.2s

Showing 50 of 340 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-20315?
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. An attacker could exploit this vulnerability by sending malformed CAPWAP packets through an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.
How severe is CVE-2025-20315?
CVE-2025-20315 has a CVSS score of 8.6/10 (HIGH severity).
How do I fix CVE-2025-20315?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST