CVE-2026-109108
Received Received - Intake

Command Injection in Wavlink WL-WN530BE1-A Router

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: VulDB

Description
A security vulnerability has been detected in Wavlink WL-WN530BE1-A 251117. This affects the function popen of the file /cgi-bin/uploadVpn.cgi. Such manipulation of the argument Type leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

CVSS Scores

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-109108
EUVD
EUVD-2026-98342

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Wavlink WL-WN530BE1-A 251117

Helpful Resources

Exploitability

CWE
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KEV
KEV Icon
CWE ID Description
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.
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.

Attack-Flow Graph

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Executive Summary

This vulnerability is an OS command injection flaw in Wavlink WL-WN530BE1-A 251117. It exists in the popen function of the file /cgi-bin/uploadVpn.cgi where the argument Type can be manipulated to execute arbitrary commands remotely. The issue has been publicly disclosed and may already be exploited.

Detection Guidance

Detecting this vulnerability requires checking for vulnerable Wavlink WL-WN530BE1-A devices on your network. Scan for devices with the affected firmware or firmware version. Check if the /cgi-bin/uploadVpn.cgi endpoint is accessible and test for command injection by sending crafted requests to the Type parameter.

Impact Analysis

An attacker could remotely execute arbitrary commands on the affected device. This may lead to full system compromise, unauthorized data access, or disruption of services. The high CVSS scores indicate severe potential impact including confidentiality, integrity, and availability breaches.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's security rules for protected health information. Organizations using this device may face compliance violations and potential fines.

Mitigation Strategies

Immediately disconnect the affected Wavlink WL-WN530BE1-A device from your network. Apply any available firmware updates from the vendor. If no update is available, consider replacing the device. Monitor network traffic for suspicious activity targeting the /cgi-bin/uploadVpn.cgi endpoint.

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