CVE-2026-4611
OS Command Injection in TOTOLINK X6000R setLanCfg Function
Publication date: 2026-03-23
Last updated on: 2026-04-03
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | x6000r_firmware | 9.4.0cu.1360_b20241207 |
| totolink | x6000r_firmware | 9.4.0cu.1498_b20250826 |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know