CVE-2020-3260: Cisco Aironet Series Access Points Client Packet Processing Denial of Service Vulnerability

Published Apr 15, 2020
·
Updated

A vulnerability in Cisco Aironet Series Access Points Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the improper processing of client packets that are sent to an affected access point (AP). An attacker could exploit this vulnerability by sending a large number of sustained client packets to the affected AP. A successful exploit could allow the attacker to cause the affected AP to crash, resulting in a DoS condition.

Affected Software

12 affected components
cisco Aironet 1542i Firmware=8.9\(100.0\)
cisco Aironet 1542i
cisco Aironet 1542d Firmware=8.9\(100.0\)
cisco Aironet 1542d
cisco Aironet 1815 Firmware=8.9\(100.0\)
cisco Aironet 1815
cisco Aironet 1830 Firmware=8.9\(100.0\)
cisco Aironet 1830
cisco Aironet 1840 Firmware=8.9\(100.0\)
cisco Aironet 1840
cisco Aironet 1850 Firmware=8.9\(100.0\)
cisco Aironet 1850

Event History

Apr 15, 2020
CVE Published
via MITRE·08:11 PM
Data Sourced
via MITRE·08:11 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2020-3260?

CVE-2020-3260 is a vulnerability in Cisco Aironet Series Access Points Software that could allow an unauthenticated adjacent attacker to cause a denial of service (DoS) condition on an affected device.

2

What is the severity of CVE-2020-3260?

The severity of CVE-2020-3260 is high with a CVSS score of 6.5.

3

Which software versions are affected by CVE-2020-3260?

Cisco Aironet Series Access Points Software version 8.9(100.0) is affected.

4

How can an attacker exploit CVE-2020-3260?

An attacker can exploit CVE-2020-3260 by sending malicious client packets to an affected access point (AP) without authentication, causing a denial of service (DoS) condition.

5

Is there a fix for CVE-2020-3260?

Yes, Cisco has released a security advisory with mitigations and software updates to address CVE-2020-3260. Please refer to the provided reference for more information.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203