CVE-2019-15264

What it is

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol implementation of Cisco Aironet and Catalyst 9100 Access Points (APs) could allow an unauthenticated, adjacent attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to improper resource management during CAPWAP message processing. An attacker could exploit this vulnerability by sending a high volume of legitimate wireless management frames within a short time to an affected device. A successful exploit could allow the attacker to cause a device to restart unexpectedly, resulting in a DoS condition for clients associated with the AP.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of service disruption.

Exploit odds

0.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2019-10-16 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 02:19 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.5% in the next 30 days (EPSS).
• Severity: 6.5 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2019-10-16 19:15 UTC

Last modified

2026-06-17 02:19 UTC

Exploit probability

0.5% · EPSS, next 30 days

Weakness

CWE-400 · Uncontrolled resource consumption

Record status

Modified

Affected

• Cisco Aironet 1540 Firmware
• Cisco Aironet 1560 Firmware
• Cisco Aironet 1850 Firmware
• Cisco Aironet 1850 Firmware 8.9\(1.249\)
• Cisco Aironet 1850 Firmware 8.9\(1.255\)
• Cisco Aironet 1850 Firmware 8.9\(4.28\)
• Cisco Aironet 1850 Firmware 8.9\(4.41\)
• Cisco Aironet 1850 Firmware 8.9\(4.49\)

Attack profile CVSS 3.1 · 6.5

Attack vector

Adjacent network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

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