CVE-2026-4611
Received Received - Intake
OS Command Injection in TOTOLINK X6000R setLanCfg Function

Publication date: 2026-03-23

Last updated on: 2026-04-03

Assigner: VulDB

Description
A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched remotely.
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Meta Information
Published
2026-03-23
Last Modified
2026-04-03
Generated
2026-06-16
AI Q&A
2026-03-24
EPSS Evaluated
2026-06-15
NVD
CVE-2026-4611
EUVD
EUVD-2026-14603
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
totolink x6000r_firmware 9.4.0cu.1360_b20241207
totolink x6000r_firmware 9.4.0cu.1498_b20250826
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CWE-78 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.
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Executive Summary

This vulnerability is a flaw found in the TOTOLINK X6000R router firmware versions 9.4.0cu.1360_B20241207 and 9.4.0cu.1498_B20250826. It exists in the setLanCfg function of the /usr/sbin/shttpd file. An attacker can manipulate the Hostname argument in this function to perform OS command injection, which means they can execute arbitrary operating system commands on the device.

The attack can be launched remotely, meaning an attacker does not need physical access to the device to exploit this vulnerability.

Impact Analysis

Exploiting this vulnerability allows an attacker to execute arbitrary operating system commands on the affected device remotely. This can lead to full compromise of the device, including unauthorized access, data theft, disruption of services, or using the device as a foothold to attack other systems.

The CVSS scores indicate a high severity with impacts on confidentiality, integrity, and availability, meaning the attacker can cause significant harm.

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