CVE-2026-9436
Command Injection in Totolink A8000RU Web Interface
Publication date: 2026-05-25
Last updated on: 2026-05-25
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | a8000ru | 7.1cu.643_b20200521 |
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 A8000RU router's web management interface, specifically in the function setL2tpServerCfg within the file /cgi-bin/cstecgi.cgi. It occurs when the argument 'enable' is manipulated, which can lead to operating system command injection. This means an attacker can remotely execute arbitrary commands on the device.
How can this vulnerability impact me? :
The vulnerability allows remote attackers to execute arbitrary operating system commands on the affected device without any authentication or user interaction. This can lead to full compromise of the device, including unauthorized access, data theft, disruption of network services, or using the device as a foothold for further attacks.