CVE-2026-3841
Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | tp-link systems inc. |
| Product | tl-mr6400 v5.3 |
| Published | Mar 12, 2026 |
| Last Updated | Mar 13, 2026 |
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Affected Versions
TP-Link Systems Inc. / TL-MR6400 v5.3
0 < 1.9.0 Build 260108
References
Credits
MrBruh