CVE-2026-9424
Deferred Deferred - Pending Action
Command Injection in Edimax EW-7438RPn

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

Description
A weakness has been identified in Edimax EW-7438RPn 1.31. The affected element is the function formWlanMP of the file /goform/formWlanMP of the component Content-Type Handler. Executing a manipulation of the argument ateFunc/ateGain/ateTxCount/ateChan/ateRate/ateMacID/e2pTxPower1/e2pTxPower2/e2pTxPower3/e2pTxPower4/e2pTxPower5/e2pTxPower6/e2pTxPower7/e2pTx2Power1/e2pTx2Power2/e2pTx2Power3/e2pTx2Power4/e2pTx2Power5/e2pTx2Power6/e2pTx2Power7/ateTxFreqOffset/ateMode/ateBW/ateAntenna/e2pTxFreqOffset/e2pTxPwDeltaB/e2pTxPwDeltaG/e2pTxPwDeltaMix/e2pTxPwDeltaN/readE2P can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
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Meta Information
Published
2026-05-25
Last Modified
2026-05-25
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-9424
EUVD
EUVD-2026-31628
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
edimax ew-7438rpn 1.31
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Executive Summary

This vulnerability exists in the Edimax EW-7438RPn device, specifically in the function formWlanMP within the Content-Type Handler component. It involves the manipulation of various arguments such as ateFunc, ateGain, ateTxCount, and others, which can lead to operating system command injection. This means an attacker can remotely execute arbitrary commands on the device by exploiting this weakness.

Impact Analysis

The vulnerability allows remote attackers to execute arbitrary operating system commands on the affected device. This can lead to unauthorized control over the device, potentially compromising its functionality, stealing sensitive information, or using the device as a foothold to attack other systems within the network.

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