Improper certificate validation in Universal Device Client (UDC) - CVE-2025-6026
Published: October 15, 2025
Vulnerability identifier: #VU117185
CSH Severity: Medium
CVSS v4.0: 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
Vendor: Lenovo
Affected software:
Universal Device Client (UDC)
Universal Device Client (UDC)
Detailed vulnerability 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.
How to mitigate CVE-2025-6026
Install updates from vendor's website.