CVE-2021-45391

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.00% Top 25%
Vendor Advisory com.cn Vendor Advisory com.cn
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.tenda.com.cn/ vendor advisory
http://tendawifi.com/index.html broken link
https://www.tenda.com.cn/product/AX12.html product vendor advisory
https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/1 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-45391?
CVE-2021-45391 has been scored as a high severity vulnerability.
How to fix CVE-2021-45391?
To fix CVE-2021-45391, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45391 being actively exploited in the wild?
It is possible that CVE-2021-45391 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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