8.8

CVE-2026-3841

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tp-link ≫ Tl-mr6400 Firmware Version < 1.9.0
   Tp-link ≫ Tl-mr6400 Version5.3
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.64% 0.706
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
f23511db-6c3e-4e32-a477-6aa17d310630 8.5 0 0
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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.