#VU117185 Improper certificate validation in Universal Device Client (UDC) - CVE-2025-6026
Published: October 15, 2025
Vulnerability identifier: #VU117185
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-6026
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Universal Device Client (UDC)
Universal Device Client (UDC)
Software vendor:
Lenovo
Lenovo
Description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper certificate validation. A remote attacker with ability to intercept network traffic can perform MitM attack and obtain encrypted application metadata, including device information, geolocation, and telemetry data.
Remediation
Install updates from vendor's website.