CVE-2026-22220: TP-Link Archer BE230 Firmware

Medium severity, CVSS 4.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A lack of proper input validation in the HTTP processing path in TP-Link Archer BE230 v1.2 (web modules) may allow a crafted request to cause the device’s web service to become unresponsive, resulting in a denial of service condition. A network adjacent attacker with high privileges could cause the device’s web interface to temporarily stop responding until it recovers or is rebooted. This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420.

Affected products

• TP-Link Archer BE230 Firmware: before 1.2.4 (fixed in 1.2.4)

Published 2026-02-03. Last modified 2026-06-17.