CVE-2026-22220 MEDIUM

CVE-2026-22220: Improper Input Validation Leading to DoS on TP-Link Archer BE230

Vendor Tp-Link Systems Inc.
Product Archer BE230 v1.2
Weakness CWE-20 · Input validation
Published February 3, 2026
Last update February 4, 2026
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CVSS base score

6.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 3, 2026 CVE published
February 4, 2026 Record updated