cisco-sa-20181017-aironet-dos: Cisco Aironet 1560, 1800, 2800, and 3800 Series Access Points Denial of Service Vulnerability
First published: Wed Oct 17 2018(Updated: )
A vulnerability in the Cisco Aironet 1560, 1800, 2800, and 3800 Series Access Points (APs) software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to a deadlock condition that may occur when an affected AP attempts to dequeue aggregated traffic that is destined to an attacker-controlled wireless client. An attacker who can successfully transition between multiple Service Set Identifiers (SSIDs) hosted on the same AP while replicating the required traffic patterns could trigger the deadlock condition. A watchdog timer that detects the condition will trigger a reload of the device, resulting in a DoS condition while the device restarts. Cisco has released software updates that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-aironet-dos
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Aironet 1560 | ||
| Cisco Aironet 1800 Firmware | ||
| Cisco Aironet 2800 | ||
| Cisco Aironet 3800p |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-20181017-aironet-dos?
The severity of cisco-sa-20181017-aironet-dos is rated as high due to the potential for denial of service.
How do I fix cisco-sa-20181017-aironet-dos?
To fix cisco-sa-20181017-aironet-dos, update the affected Cisco Aironet access point to the latest software version recommended by Cisco.
Which devices are affected by cisco-sa-20181017-aironet-dos?
Devices affected by cisco-sa-20181017-aironet-dos include the Cisco Aironet 1560, 1800, 2800, and 3800 Series Access Points.
What kind of attack is related to cisco-sa-20181017-aironet-dos?
cisco-sa-20181017-aironet-dos is related to a denial of service (DoS) attack that can cause unexpected reboots of the device.
Who can exploit cisco-sa-20181017-aironet-dos?
An authenticated, adjacent attacker can exploit cisco-sa-20181017-aironet-dos to cause a denial of service condition.
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- canonical/cisco aironet 1560
- canonical/cisco aironet 1800 firmware
- canonical/cisco aironet 2800
- canonical/cisco aironet 3800p