CVE-2020-8423

Public Exploit

Description

A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 30.28% Top 5%
Vendor Advisory tp-link.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.tp-link.com/us/security vendor advisory
https://ktln2.org/2020/03/29/exploiting-mips-router/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-8423?
CVE-2020-8423 has been scored as a high severity vulnerability.
How to fix CVE-2020-8423?
To fix CVE-2020-8423, 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-2020-8423 being actively exploited in the wild?
It is possible that CVE-2020-8423 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~30% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.