Description

A command injection vulnerability has been identified in the Telnet command-line interface (CLI) of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute arbitrary system commands. Successful exploitation may lead to full device compromise, including potential loss of confidentiality, integrity, and availability.

INFO

Published Date :

2026-03-12T17:25:58.864Z

Last Modified :

2026-03-13T14:35:24.733Z

Source :

TPLink
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3841 vulnerability.

Vendors Products
Tp-link
  • Tl-mr6400
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3841.

URL Resource
https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware cve-icon cve-icon
https://www.tp-link.com/us/support/faq/5016/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability