CVE-2020-28005

Name: CVE-2020-28005
Creator: NVD / NIST
Published: 2020-11-18T16:15:12.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.79%

Last modified Jun 17, 2026

CVE-2020-28005 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. httpd on TP-Link TL-WPA4220 devices (hardware versions 2 through 4) allows remote authenticated users to trigger a buffer overflow (causing a denial of service) by sending a POST request to the /admin/syslog endpoint. Fixed version: TL-WPA4220(EU)_V4_201023. EPSS estimates a 1.79% chance of exploitation in the next 30 days.

Description

httpd on TP-Link TL-WPA4220 devices (hardware versions 2 through 4) allows remote authenticated users to trigger a buffer overflow (causing a denial of service) by sending a POST request to the /admin/syslog endpoint. Fixed version: TL-WPA4220(EU)_V4_201023

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.79%

75.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-Wpa4220 Firmware	All versions
Tp-Link	Tl-Wpa4220 Firmware	< tl-wpa4220\(eu\)_v4_201023

References

https://the-hyperbolic.com/posts/vulnerabilities-in-tlwpa4220/Exploit, Third Party Advisory
https://www.tp-link.com/us/securityVendor Advisory
https://the-hyperbolic.com/posts/vulnerabilities-in-tlwpa4220/Exploit, Third Party Advisory
https://www.tp-link.com/us/securityVendor Advisory

Timeline

Published: Nov 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28005?

How severe is CVE-2020-28005?

CVE-2020-28005 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28005?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28005?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST