CVE-2026-5977
OS Command Injection in Totolink A7100RU CGI Handler (Remote
Publication date: 2026-04-09
Last updated on: 2026-04-09
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | a7100ru | 7.4cu.2313_b20191024 |
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 A7100RU router, specifically in the function setWiFiBasicCfg within the /cgi-bin/cstecgi.cgi file of the CGI Handler component.
An attacker can manipulate the argument wifiOff to perform an OS command injection, which means they can execute arbitrary operating system commands on the device.
The attack can be launched remotely without any authentication, making it highly accessible to attackers.
The exploit code for this vulnerability has been made publicly available.
How can this vulnerability impact me? :
This vulnerability can have severe impacts because it allows remote attackers to execute arbitrary commands on the affected device.
Such control could lead to unauthorized access, disruption of network services, data theft, or further compromise of the network.
Since no authentication is required, any attacker with network access could exploit this vulnerability.