CVE-2021-45391

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in the goform/setIPv6Status binary file /usr/sbin/httpd via the conType parameter, which causes a Denial of Service.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://tendawifi.com/index.htmlBroken Link
https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/1Exploit, Third Party Advisory
https://www.tenda.com.cn/Vendor Advisory
https://www.tenda.com.cn/product/AX12.htmlProduct, Vendor Advisory
http://tendawifi.com/index.htmlBroken Link
https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/1Exploit, Third Party Advisory
https://www.tenda.com.cn/Vendor Advisory
https://www.tenda.com.cn/product/AX12.htmlProduct, Vendor Advisory

Timeline

Published: Feb 16, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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