CVE-2026-3841

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.

CVSS

No CVSS.

References

Link	Resource
https://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmware
https://www.tp-link.com/us/support/faq/5016/

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-12 18:16

Updated : 2026-03-12 21:07

NVD link : CVE-2026-3841

Mitre link : CVE-2026-3841

CVE.ORG link : CVE-2026-3841

JSON object : View

Products Affected

No product.

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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