Vulnerability Database

308,926

Total vulnerabilities in the database

CVE-2021-45392

A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.

  • Published: Feb 14, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-45392
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: High
  • Score: 7.8
  • AV:N/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
tenda / ax12_firmware 22.03.01.21_cn 22.03.01.21_cn.x