CVE-2026-3301
Remote OS Command Injection in Totolink N300RH Web Interface
Publication date: 2026-02-27
Last updated on: 2026-02-27
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | n300rh_firmware | 6.1c.1349_b20181018 |
| totolink | n300rh_firmware | 6.1c.1353_b20190305 |
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 N300RH router, specifically in the setWebWlanIdx function of the Web Management Interface component located in the /cgi-bin/cstecgi.cgi file.
An attacker can manipulate the argument webWlanIdx to perform an OS command injection, which means they can execute arbitrary operating system commands on the device.
The attack can be initiated remotely without any authentication, making it highly dangerous.
Additionally, the exploit code for this vulnerability has been publicly released, increasing the risk of attacks.
How can this vulnerability impact me? :
This vulnerability can have severe impacts because it allows remote attackers to execute arbitrary operating system commands on the affected device.
Such control can lead to unauthorized access, data theft, device manipulation, or disruption of network services.
Since the exploit requires no authentication and can be performed remotely, it significantly increases the risk of compromise.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know