CVE-2026-9456
Command Injection in Totolink A8000RU
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 exists in the Totolink A8000RU router's Web Management Interface, specifically in the setOpenVpnCfg function of the /cgi-bin/cstecgi.cgi file. It allows an attacker to perform OS command injection by manipulating an argument passed to this function. This means that an attacker can remotely execute arbitrary operating system commands on the affected device.
How can this vulnerability impact me? :
The vulnerability has a very high severity with CVSS scores up to 10.0, indicating critical impact. An attacker can remotely execute commands on the device without any authentication or user interaction, potentially leading to full compromise of the device. This can result in unauthorized access, data theft, disruption of services, or using the device as a foothold for further attacks.