TP-Link Systems Inc. TL-MR6400 v5.3 vulnerabilities
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Published CVEs affecting TP-Link Systems Inc. TL-MR6400 v5.3: 2 record(s), with affected versions and fixes.
CVE-2026-12339
Medium · 6.9
CWE-22 Aug 10, 2026
Authenticated Arbitrary File Write Vulnerability in multiple devices
A Zip Slip vulnerability in the WebUI ISP
Upgrade functionality allows arbitrary file write via a crafted archive
containing directory traversal sequences. An authenticated administrator may
overwrite arbitrary files on the system.Successful
exploitation may allow arbitrary file to be overwritten on the underlying system, affecting system integrity and availability.
CVE-2026-3841
High · 8.8
CWE-78 Mar 12, 2026
Command Injection Vulnerability in Telnet CLI on TP-Link TL-MR6400
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.