CVE-2020-28005: TP-Link Tl-WPA4220 Firmware

Medium severity, CVSS 6.5. EPSS: 1.8% chance of exploitation in the next 30 days.

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

Affected products

• TP-Link Tl-WPA4220 Firmware: any version; before tl-wpa4220\(eu\)_v4_201023 (fixed in tl-wpa4220\(eu\)_v4_201023)

Published 2020-11-18. Last modified 2026-06-17.