TP-Link Deco BE11000 TDDP command injection

Summaryinfo

A vulnerability has been found in TP-Link Deco BE11000 and classified as very critical. This issue affects some unknown processing of the component TDDP. This manipulation causes command injection. This vulnerability is tracked as CVE-2026-17176. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in TP-Link Deco BE11000 (the affected version unknown). It has been declared as very critical. Affected by this vulnerability is an unknown part of the component TDDP. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended 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 in the TDDP module of Deco BE11000 allows an adjacent network attacker to execute arbitrary commands with root privileges by sending a crafted UDP packet. Successful exploitation may lead to complete device compromise, including unauthorized command execution, modification of device settings, and loss of confidentiality, integrity, and availability

It is possible to read the advisory at tp-link.com. This vulnerability is known as CVE-2026-17176 since 07/24/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/11/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

• Deco BE11000

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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