CVE-2026-6483
OS Command Injection in Wavlink WL-WN530H4 Remote Exploit
Publication date: 2026-04-17
Last updated on: 2026-04-17
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wavlink | wl-wn530h4 | 2026.04.16 |
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 Wavlink WL-WN530H4 device, specifically in the strcat and snprintf functions within the /cgi-bin/internet.cgi file. It allows an attacker to perform OS command injection by manipulating these functions.
The attack can be launched remotely, meaning an attacker does not need physical access to the device to exploit this vulnerability.
An exploit for this vulnerability has been made public, increasing the risk of it being used maliciously.
Upgrading the device firmware to version 2026.04.16 resolves this issue.
How can this vulnerability impact me? :
This vulnerability can have severe impacts including unauthorized execution of operating system commands on the affected device.
Because the attack can be performed remotely, it could allow attackers to gain control over the device, potentially leading to data breaches, disruption of services, or further network compromise.
The CVSS scores indicate a high severity level, with impacts on confidentiality, integrity, and availability.
What immediate steps should I take to mitigate this vulnerability?
The recommended immediate step to mitigate this vulnerability is to upgrade the affected Wavlink WL-WN530H4 device to version 2026.04.16, which resolves the issue.