CVE-2026-18587
Received Received - Intake

Command Injection in Wavlink WL-NU516U1

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: VulDB

Description
A flaw has been found in Wavlink WL-NU516U1 708c073-mt7628. The impacted element is an unknown function of the component Config Import. Executing a manipulation of the argument Password can lead to os command injection. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is regarded as difficult. The exploit has been published and may be used. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-18587
EUVD
EUVD-2026-52160

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wavlink wl-nu516u1 708c073-mt7628

Helpful Resources

Exploitability

CWE
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KEV
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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-NU516U1 708c073-mt7628. It exists in the Config Import component where manipulating the Password argument allows remote attackers to execute arbitrary commands on the system. The attack requires high complexity and is considered difficult to exploit.

Impact Analysis

If exploited, this vulnerability could allow attackers to gain unauthorized control over the affected device, potentially leading to data theft, system compromise, or further network infiltration. The high CVSS scores indicate significant impact on confidentiality, integrity, and availability.

Mitigation Strategies

Upgrade the affected Wavlink WL-NU516U1 device to the latest fixed version provided by the vendor. Disable remote access to the device if not necessary and monitor network traffic for suspicious activity related to the Config Import component.

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