TP-Link Archer MR600 v5 Web Management Interface os command injection

Summaryinfo

A vulnerability was found in TP-Link Archer MR600 v5. It has been rated as critical. This issue affects some unknown processing of the component Web Management Interface. Performing a manipulation results in os command injection. This vulnerability is known as CVE-2026-8913. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability was found in TP-Link Archer MR600 v5 (version unknown). It has been classified as critical. This affects an unknown function of the component Web Management Interface. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A command Injection vulnerability exists in the WireGuard client configuration of Archer MR600 v5 due to improper neutralization of user-controlled input within the web management interface. An authenticated attacker with administrative privileges may be able to execute arbitrary commands when applying configuration changes.Successful exploitation may result in a full compromise of confidentiality, integrity, and availability of the affected device.

The advisory is shared at tp-link.com. This vulnerability is uniquely identified as CVE-2026-8913 since 05/19/2026. The exploitability is told to be easy. The attack needs to approached within the local network. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/08/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• TP-Link

Name

• Archer MR600 v5

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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