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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00175.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cisco Cisco IOS XE Software affected
Version Status Constraints
3.7.0S affected —
3.7.1S affected —
3.7.2S affected —
3.7.3S affected —
3.7.4S affected —
3.7.5S affected —
3.7.6S affected —
3.7.7S affected —
3.7.4aS affected —
3.7.2tS affected —
3.7.0bS affected —
3.7.1aS affected —
3.8.0S affected —
3.8.1S affected —
3.8.2S affected —
3.9.1S affected —
3.9.0S affected —
3.9.2S affected —
3.9.1aS affected —
3.9.0aS affected —
3.11.1S affected —
3.11.2S affected —
3.11.0S affected —
3.11.3S affected —
3.11.4S affected —
3.12.0S affected —
3.12.1S affected —
3.12.2S affected —
3.12.3S affected —
3.12.0aS affected —
3.12.4S affected —
3.13.0S affected —
3.13.1S affected —
3.13.2S affected —
3.13.3S affected —
3.13.4S affected —
3.13.5S affected —
3.13.2aS affected —
3.13.0aS affected —
3.13.5aS affected —
3.13.6S affected —
3.13.7S affected —
3.13.6aS affected —
3.13.7aS affected —
3.13.8S affected —
3.13.9S affected —
3.13.10S affected —
3.14.0S affected —
3.14.1S affected —
3.14.2S affected —
3.14.3S affected —
3.14.4S affected —
3.15.0S affected —
3.15.1S affected —
3.15.2S affected —
3.15.1cS affected —
3.15.3S affected —
3.15.4S affected —
3.16.0S affected —
3.16.1S affected —
3.16.1aS affected —
3.16.2S affected —
3.16.2aS affected —
3.16.0cS affected —
3.16.3S affected —
3.16.2bS affected —
3.16.3aS affected —
3.16.4S affected —
3.16.4aS affected —
3.16.4bS affected —
3.16.5S affected —
3.16.4dS affected —
3.16.6S affected —
3.16.7S affected —
3.16.6bS affected —
3.16.7aS affected —
3.16.7bS affected —
3.16.8S affected —
3.16.9S affected —
3.16.10S affected —
3.17.0S affected —
3.17.1S affected —
3.17.2S affected —
3.17.1aS affected —
3.17.3S affected —
3.17.4S affected —
16.1.1 affected —
16.1.2 affected —
16.1.3 affected —
16.2.1 affected —
16.2.2 affected —
16.3.1 affected —
16.3.2 affected —
16.3.3 affected —
16.3.1a affected —
16.3.4 affected —
16.3.5 affected —
16.3.5b affected —
16.3.6 affected —
16.3.7 affected —
16.3.8 affected —
16.3.9 affected —
16.3.10 affected —
16.3.11 affected —
16.4.1 affected —
16.4.2 affected —
16.4.3 affected —
16.5.1 affected —
16.5.1a affected —
16.5.1b affected —
16.5.2 affected —
16.5.3 affected —
3.18.0aS affected —
3.18.0S affected —
3.18.1S affected —
3.18.2S affected —
3.18.3S affected —
3.18.4S affected —
3.18.0SP affected —
3.18.1SP affected —
3.18.1aSP affected —
3.18.1bSP affected —
3.18.1cSP affected —
3.18.2SP affected —
3.18.2aSP affected —
3.18.3SP affected —
3.18.4SP affected —
3.18.3aSP affected —
3.18.3bSP affected —
3.18.5SP affected —
3.18.6SP affected —
3.18.7SP affected —
3.18.8aSP affected —
3.18.9SP affected —
16.6.1 affected —
16.6.2 affected —
16.6.3 affected —
16.6.4 affected —
16.6.5 affected —
16.6.4a affected —
16.6.5a affected —
16.6.6 affected —
16.6.7 affected —
16.6.8 affected —
16.6.9 affected —
16.6.10 affected —
16.7.1 affected —
16.7.1a affected —
16.7.1b affected —
16.7.2 affected —
16.7.3 affected —
16.7.4 affected —
16.8.1 affected —
16.8.1a affected —
16.8.1b affected —
16.8.1s affected —
16.8.1c affected —
16.8.1d affected —
16.8.2 affected —
16.8.1e affected —
16.8.3 affected —
16.9.1 affected —
16.9.2 affected —
16.9.1a affected —
16.9.1b affected —
16.9.1s affected —
16.9.3 affected —
16.9.4 affected —
16.9.3a affected —
16.9.5 affected —
16.9.5f affected —
16.9.6 affected —
16.9.7 affected —
16.9.8 affected —
16.10.1 affected —
16.10.1a affected —
16.10.1b affected —
16.10.1s affected —
16.10.1c affected —
16.10.1e affected —
16.10.1d affected —
16.10.2 affected —
16.10.1f affected —
16.10.1g affected —
16.10.3 affected —
16.11.1 affected —
16.11.1a affected —
16.11.1b affected —
16.11.2 affected —
16.11.1s affected —
16.12.1 affected —
16.12.1s affected —
16.12.1a affected —
16.12.1c affected —
16.12.1w affected —
16.12.2 affected —
16.12.1y affected —
16.12.2a affected —
16.12.3 affected —
16.12.8 affected —
16.12.2s affected —
16.12.1x affected —
16.12.1t affected —
16.12.4 affected —
16.12.3s affected —
16.12.3a affected —
16.12.4a affected —
16.12.5 affected —
16.12.6 affected —
16.12.1z1 affected —
16.12.5a affected —
16.12.5b affected —
16.12.1z2 affected —
16.12.6a affected —
16.12.7 affected —
16.12.9 affected —
16.12.10 affected —
16.12.10a affected —
16.12.11 affected —
16.12.12 affected —
16.12.13 affected —
17.1.1 affected —
17.1.1a affected —
17.1.1s affected —
17.1.1t affected —
17.1.3 affected —
17.2.1 affected —
17.2.1r affected —
17.2.1a affected —
17.2.1v affected —
17.2.2 affected —
17.2.3 affected —
17.3.1 affected —
17.3.2 affected —
17.3.3 affected —
17.3.1a affected —
17.3.1w affected —
17.3.2a affected —
17.3.1x affected —
17.3.1z affected —
17.3.4 affected —
17.3.5 affected —
17.3.4a affected —
17.3.6 affected —
17.3.4b affected —
17.3.4c affected —
17.3.5a affected —
17.3.5b affected —
17.3.7 affected —
17.3.8 affected —
17.3.8a affected —
17.4.1 affected —
17.4.2 affected —
17.4.1a affected —
17.4.1b affected —
17.4.2a affected —
17.5.1 affected —
17.5.1a affected —
17.6.1 affected —
17.6.2 affected —
17.6.1w affected —
17.6.1a affected —
17.6.1x affected —
17.6.3 affected —
17.6.1y affected —
17.6.1z affected —
17.6.3a affected —
17.6.4 affected —
17.6.1z1 affected —
17.6.5 affected —
17.6.6 affected —
17.6.6a affected —
17.6.5a affected —
17.6.7 affected —
17.6.8 affected —
17.6.8a affected —
17.7.1 affected —
17.7.1a affected —
17.7.1b affected —
17.7.2 affected —
17.10.1 affected —
17.10.1a affected —
17.10.1b affected —
17.8.1 affected —
17.8.1a affected —
17.9.1 affected —
17.9.1w affected —
17.9.2 affected —
17.9.1a affected —
17.9.1x affected —
17.9.1y affected —
17.9.3 affected —
17.9.2a affected —
17.9.1x1 affected —
17.9.3a affected —
17.9.4 affected —
17.9.1y1 affected —
17.9.5 affected —
17.9.4a affected —
17.9.5a affected —
17.9.5b affected —
17.9.6 affected —
17.9.6a affected —
17.9.5e affected —
17.9.5f affected —
17.11.1 affected —
17.11.1a affected —
17.12.1 affected —
17.12.1w affected —
17.12.1a affected —
17.12.1x affected —
17.12.2 affected —
17.12.3 affected —
17.12.2a affected —
17.12.1y affected —
17.12.1z affected —
17.12.4 affected —
17.12.3a affected —
17.12.1z1 affected —
17.12.1z2 affected —
17.12.4a affected —
17.12.4b affected —
17.12.1z3 affected —
17.13.1 affected —
17.13.1a affected —
17.14.1 affected —
17.14.1a affected —
17.11.99SW affected —
17.15.1 affected —
17.15.1w affected —
17.15.1a affected —
17.15.2 affected —
17.15.1b affected —
17.15.1x affected —
17.15.1z affected —
17.15.2c affected —
17.15.2a affected —
17.15.2b affected —
17.16.1 affected —
17.16.1a affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
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Advisories
Source ID Title
EUVD EUVD EUVD-2025-31036 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nbar-dos-LAvwTmeT cve-icon cve-icon
History

Thu, 25 Sep 2025 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco ios Xe Software
Vendors & Products Cisco
Cisco ios Xe Software

Wed, 24 Sep 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 24 Sep 2025 17:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-805
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2025-09-24T18:22:31.831Z

Reserved: 2024-10-10T19:15:13.253Z

Link: CVE-2025-20315

cve-icon Vulnrichment

Updated: 2025-09-24T18:22:27.668Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-24T18:15:36.043

Modified: 2025-09-26T14:32:53.583

Link: CVE-2025-20315

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-25T08:21:12Z

Weaknesses