CVE-2026-9455
Command Injection in Totolink A8000RU
Publication date: 2026-05-25
Last updated on: 2026-05-25
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
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, specifically in the UploadOpenVpnCert function of the /cgi-bin/cstecgi.cgi file within the Web Management Interface component.
The issue arises from improper handling of the FileName argument, which allows an attacker to inject operating system commands.
Because this vulnerability can be exploited remotely without any authentication or user interaction, it poses a significant security risk.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to remote code execution on the affected device.
An attacker could execute arbitrary commands on the router, potentially gaining full control over the device.
This could result in unauthorized access to network traffic, disruption of network services, or use of the device as a foothold for further attacks.