CVE-2026-9458
BaseFortify
Publication date: 2026-05-25
Last updated on: 2026-05-25
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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| 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 setWanCfg function within the /cgi-bin/cstecgi.cgi file of its Web Management Interface.
The issue arises because manipulation of an argument passed to this function allows an attacker to perform OS command injection.
This means an attacker can remotely execute arbitrary operating system commands on the affected device.
The exploit for this vulnerability is publicly available.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can remotely execute arbitrary commands on the affected Totolink A8000RU device.
This can lead to full compromise of the device, including unauthorized access, control over network traffic, data theft, or disruption of network services.
Given the high severity scores (CVSS v3.1 score of 9.8 and v2.0 score of 10.0), the impact is critical.