{"id":"CVE-2020-13646","aliases":["EUVD-2020-5888","GHSA-p234-g7qm-4476"],"status":"published","title":"In the cheetah free wifi 5.1 driver file liebaonat.sys, local users are allowed to cause a denial...","description":"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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00399,"percentile":0.3436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-06-05T20:46:04Z","modified":"2026-06-17T02:53:30Z","products":[{"vendor":"ijinshan","product":"cheetah_free_wifi"}],"references":[{"url":"https://github.com/y5s5k5/CVE-2020-13646","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13646"},{"url":"https://github.com/advisories/GHSA-p234-g7qm-4476"}],"sources":{"cve":[{"id":"CVE-2020-13646","description":"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.","status":"published","published":"2020-06-05T20:46:04Z","modified":"2024-08-04T12:25:16.404Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-5888","description":"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.","status":"published","published":"2020-06-05T20:46:04Z","modified":"2024-08-04T12:25:16Z","updated_at":"2026-11-03T03:07:36.6695Z"}],"ghsa":[{"id":"GHSA-p234-g7qm-4476","title":"In the cheetah free wifi 5.1 driver file liebaonat.sys, local users are allowed to cause a denial...","description":"In the cheetah free wifi 5.1 driver file liebaonat.sys, local users are allowed to cause a denial of service (BSOD) or other unknown impact due to failure to verify the value of a specific IOCTL.","status":"published","published":"2022-05-24T17:19:26Z","modified":"2023-01-29T05:02:50Z","updated_at":"2026-11-02T14:45:10.945052Z"}],"nvd":[{"id":"CVE-2020-13646","description":"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.","status":"published","published":"2020-06-05T21:15:12.237Z","modified":"2026-06-17T02:53:30.25Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.1,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:05.962132Z"}]}}