CVE-2025-20315
HIGHCisco IOS XE Software - Unauthenticated Denial of Service via Malformed CAPWAP Packet Handling
Title source: llmDescription
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.
References (1)
Core 1
Core References
Scores
CVSS v3
8.6
EPSS
0.0014
EPSS Percentile
33.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-805
Status
published
Products (50)
Cisco/Cisco IOS XE Software
16.1.1
Cisco/Cisco IOS XE Software
16.1.2
Cisco/Cisco IOS XE Software
16.1.3
Cisco/Cisco IOS XE Software
16.10.1
Cisco/Cisco IOS XE Software
16.10.1a
Cisco/Cisco IOS XE Software
16.10.1b
Cisco/Cisco IOS XE Software
16.10.1c
Cisco/Cisco IOS XE Software
16.10.1d
Cisco/Cisco IOS XE Software
16.10.1e
Cisco/Cisco IOS XE Software
16.10.1f
... and 40 more
Published
Sep 24, 2025
Tracked Since
Feb 18, 2026