CVE-2026-22221

An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(vpn modules) and BE3600 v1 allows adjacent authenticated attacker execute arbitrary code. Successful exploitation could allow an attacker to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability. This CVE covers one of multiple distinct OS command injection issues identified across separate code paths. Although similar in nature, each instance is tracked under a unique CVE ID. This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420.

What this means for your business

It affects Tp-Link Archer Be230 Firmware. It matters if your company, or a supplier that handles your data, runs it.
An attacker can use it from inside the same network, with an ordinary user login, and without anyone at your company clicking anything.

What to do

1Check whether your company or your suppliers run Tp-Link Archer Be230 Firmware, and which version. The affected versions are listed further down this page.
2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

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Scoring

CVSS: 8.0 (v3.1)
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4: 8.5
Weakness: CWE-78
Assigned by: f23511db-6c3e-4e32-a477-6aa17d310630

Dates

Published: 2026-02-02
Last modified: 2026-09-18
Sources: NVD

Affected products

Tp-Link Archer Be230 Firmware- 1.2.4
Tp-Link Archer Be2301.20

As listed in the NVD configuration data. Not a statement about your estate.