SB2025051630 - Privilege escalation in Lenovo WLAN Driver for Mediatek chipsets
Published: May 16, 2025
Security Bulletin ID
SB2025051630
CSH Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2025-20646)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local application to execute arbitrary code.
The vulnerability exists due to improper input validation within wlan. A local application can execute arbitrary code.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.