TP-Link Archer BE800/Archer BE3600/Archer AX75 Parental Control os command injection

Summaryinfo

A vulnerability was found in TP-Link Archer BE800, Archer BE3600 and Archer AX75. It has been rated as very critical. This affects an unknown function of the component Parental Control. This manipulation causes os command injection. This vulnerability is registered as CVE-2026-9254. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in TP-Link Archer BE800, Archer BE3600 and Archer AX75 (version unknown). It has been declared as very critical. Affected by this vulnerability is an unknown function of the component Parental Control. The manipulation 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 unauthenticated OS command injection vulnerability exists in the parental control functionality of Archer BE800 V1, BE3600 V1, and AX75 V1 due to improper filtering and neutralization of special characters in certain parameters. A LAN-based attacker can inject arbitrary commands and execute them with root privileges. Successful exploitation may result in complete device compromise and impact the confidentiality, integrity, and availability of the affected device and network traffic.

The advisory is shared at tp-link.com. This vulnerability is known as CVE-2026-9254 since 05/21/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of 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 08/24/2026). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-65006). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• TP-Link

Name

• Archer AX75
• Archer BE800
• Archer BE3600

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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