/Vulnerability Library

Cisco IOS XE WLC - Arbitrary File Upload

CVE-2025-20188
Verified

Description

A vulnerability in the Out-of-Band Access Point (AP) Image Download feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, remote attacker to upload arbitrary files to an affected system.This vulnerability is due to the presence of a hard-coded JSON Web Token (JWT) on an affected system.An attacker could exploit this vulnerability by sending crafted HTTPS requests to the AP image download interface. A successful exploit could allow the attacker to upload files, perform path traversal, and execute arbitrary commands with root privileges.

Severity

Critical

CVSS Score

10

Exploit Probability

27%

Published Date

May 29, 2025

Template Author

iamnoooob, pdresearch, dhiyaneshdk

CVE-2025-20188.yaml
10.0Score

CVSS Metrics

CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVE ID:
cve-2025-20188
CWE ID:
cwe-798

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-file-uplpd-rHZG9UfChttps://horizon3.ai/attack-research/attack-blogs/cisco-ios-xe-wlc-arbitrary-file-upload-vulnerability-cve-2025-20188-analysis/

Remediation Steps

Apply the patch provided in Cisco Security Advisory cisco-sa-wlc-file-uplpd-rHZG9UfC.