CVE-2026-4164
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Remote Command Injection in Wavlink WL-WN578W2 POST Handler

Publication date: 2026-03-16

Last updated on: 2026-03-16

Assigner: VulDB

Description
A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.

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Meta Information

Published
2026-03-16
Last Modified
2026-03-16
Generated
2026-07-06
AI Q&A
2026-03-16
EPSS Evaluated
2026-07-04
NVD
CVE-2026-4164
EUVD
EUVD-2026-12204

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
wavlink wl-wn578w2 v221110
wavlink wl-wn578w2 221110

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted 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 a flaw found in the Wavlink WL-WN578W2 device, specifically in the functions Delete_Mac_list, SetName, and GuestWifi within the /cgi-bin/wireless.cgi file's POST Request Handler component. An attacker can manipulate these functions to perform command injection, which means they can execute arbitrary commands on the device remotely.

Impact Analysis

The vulnerability allows remote attackers to inject and execute arbitrary commands on the affected device without any authentication or user interaction. This can lead to full compromise of the device, potentially allowing attackers to control the device, disrupt network operations, steal sensitive information, or use the device as a foothold for further attacks.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

It is recommended to upgrade the affected component to a version that addresses the vulnerability.

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