CVE-2026-17176
Received Received - Intake

OS Command Injection in Deco BE11000 TDDP Module

Publication date: 2026-09-11

Last updated on: 2026-09-11

Assigner: TPLink

Description
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

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Meta Information

Published
2026-09-11
Last Modified
2026-09-11
Generated
2026-09-11
AI Q&A
2026-09-11
EPSS Evaluated
N/A
NVD
CVE-2026-17176
EUVD
EUVD-2026-75886

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
tp-link deco_be11000 1.3.5_build_26071712

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.

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Executive Summary

This is an OS command injection vulnerability in the TDDP module of TP-Link's Deco BE11000 (v2) router. An adjacent network attacker can send a specially crafted UDP packet to execute arbitrary commands with root privileges on the device.

Detection Guidance

Detection involves monitoring for unusual UDP traffic targeting the TDDP module. Check for unexpected command execution logs or unauthorized changes to device settings. Use network scanning tools to identify vulnerable firmware versions (pre-1.3.5 Build 26071712).

Impact Analysis

Exploitation may lead to complete device compromise. Attackers could take full control of the router, modify settings, steal data, or disrupt network operations. Since the device handles network traffic, this could also expose other connected devices to further attacks.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating confidentiality and integrity requirements in GDPR and HIPAA. Organizations may face compliance penalties if sensitive data is exposed due to unpatched devices.

Mitigation Strategies

Immediately update the Deco BE11000 firmware to version 1.3.5 Build 26071712 or later. Isolate the device from untrusted networks if updates cannot be applied promptly. Monitor for signs of compromise and reset the device if suspicious activity is detected.

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