TP-Link Archer VX800v HTTP Interface Domain Name os command injection

Summaryinfo

A vulnerability was found in TP-Link Archer VX800v. It has been classified as very critical. This affects an unknown function of the component HTTP Interface. This manipulation of the argument Domain Name causes os command injection. This vulnerability is tracked as CVE-2026-15428. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as very critical was found in TP-Link Archer VX800v (unknown version). Affected by this vulnerability is an unknown code block of the component HTTP Interface. The manipulation of the argument Domain Name with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An OS command injection vulnerability exists in Archer VX800v v1 due to insufficient input sanitization of the domain name parameter. An adjacent attacker who can access the relevant HTTP interface can modify the parameter to inject shell metacharacters, resulting in arbitrary code execution with root privileges. Successful exploitation may allow remote code execution and complete compromise of the device.

The advisory is shared at tp-link.com. This vulnerability is known as CVE-2026-15428 since 07/10/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/14/2026). 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 VX800v

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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