CVE-2026-22220

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.

CVSS v3 4.5 MEDIUM

4.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.tp-link.com/en/support/download/archer-be230/v1.20/#Firmware	Product
https://www.tp-link.com/sg/support/download/archer-be230/v1.20/#Firmware	Product
https://www.tp-link.com/us/support/download/archer-be230/v1.20/#Firmware	Product
https://www.tp-link.com/us/support/faq/4941/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:archer_be230_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:archer_be230:1.20:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-03 18:16

Updated : 2026-02-13 19:26

NVD link : CVE-2026-22220

Mitre link : CVE-2026-22220

CVE.ORG link : CVE-2026-22220

JSON object : View

Products Affected

tp-link

archer_be230
archer_be230_firmware

CWE

CWE-20

Improper Input Validation

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