CVE-2026-22221 Command Injection Vulnerability on TP-Link Archer BE230 v1.2 and BE3600 v1

High 8.5 Published Updated

An authenticated adjacent attacker can execute arbitrary code on TP-Link Archer routers, gaining full administrative control and compromising network security.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-22221?

CVE-2026-22221 is a high-severity command injection vulnerability in TP-Link Systems Inc Archer BE230 v1.2, published on 2 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-78

Which versions are affected by CVE-2026-22221?

It affects 1 product.

Products include Tp-Link Archer Be230 Firmware.

How do I fix CVE-2026-22221?

No fix has been published for CVE-2026-22221 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-22221 being exploited?

There is no known exploitation of CVE-2026-22221 in the wild and no public exploit code.

Sources

Also known as GHSA-f2x5-qvg5-jjpj.

Is CVE-2026-22221 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free