CVE-2018-0441
HIGHCisco IOS Access Points < 8.3.140.0 - Unauthenticated Denial of Service via 802.11r Fast Transition Reassociation Events
Title source: llmDescription
A vulnerability in the 802.11r Fast Transition feature set of Cisco IOS Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a corruption of certain timer mechanisms triggered by specific roaming events. This corruption will eventually cause a timer crash. An attacker could exploit this vulnerability by sending malicious reassociation events multiple times to the same AP in a short period of time, causing a DoS condition on the affected AP.
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/105680
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041918
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-ap-ft-dos
Scores
CVSS v3
7.4
EPSS
0.0086
EPSS Percentile
53.8%
Attack Vector
ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (8)
cisco/access_points
8.0\(140.0\)
cisco/access_points
8.2\(141.0\)
cisco/access_points
8.2\(151.0\)
cisco/access_points
8.3\(102.0\)
cisco/access_points
8.3\(112.0\)
cisco/access_points
8.3\(114.74\)
cisco/access_points
15.3\(3\)jd
cisco/access_points
< 8.3.140.0
Published
Oct 17, 2018
Tracked Since
Feb 18, 2026