TP-Link Archer BE230 1.2.4 VPN Server Configuration os command injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in TP-Link Archer BE230. The impacted element is an unknown function of the component VPN Server Configuration Module. The manipulation leads to os command injection. This vulnerability is uniquely identified as CVE-2026-22226. The attack can only be initiated within the local network. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in TP-Link Archer BE230. This issue affects an unknown functionality of the component VPN Server Configuration Module. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A command injection vulnerability may be exploited after the admin's authentication in the VPN server configuration module on TP-Link Archer BE230 v1.2 and Archer AX73 v2. 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 and Archer AX73 v2 < 1.3.1 Build 20260430.

The weakness was disclosed by jro. The advisory is shared at tp-link.com. The identification of this vulnerability is CVE-2026-22226 since 01/06/2026. The exploitation is known to be easy. The attack can only be done within the local network. Additional levels of successful authentication are required for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 1.2.4 Build 20251218 rel.70420 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-5089). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• TP-Link

Name

• Archer BE230

Version

• 1.2.4

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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