CVE-2020-13646: Ijinshan Cheetah Free Wifi

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In Cheetah free WiFi 5.1, the driver file (liebaonat.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x830020f8, 0x830020E0, 0x830020E4, or 0x8300210c.

Affected products

• Ijinshan Cheetah Free Wifi: version 5.1 only

Published 2020-06-05. Last modified 2026-06-17.