CVE-2026-22220

Severity CVSS v4.0:

MEDIUM

Type:

CWE-20 Input Validation

Publication date:

03/02/2026

Last modified:

13/02/2026

Description

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.<br /> This issue affects Archer BE230 v1.2

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
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

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): High
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

6.80

Severity 4.0

MEDIUM

Vector 3.x

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 4.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High