Which products and versions are affected by CVE-2026-9424?

Affected: EW-7438RPn (Edimax). The full list is in the CVE brief.

Is CVE-2026-9424 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-9424 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-9424?

Public exploit code is available.

Is there a fix for CVE-2026-9424?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2026-9424 be patched?

Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

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Vulnerability Intelligence

CVE-2026-9424

LowPublic exploit

Edimax EW-7438RPn Content-Type formWlanMP os command injection

Published May 25, 2026 · Updated Jul 23, 2026 · Also known as EUVD-2026-31628, GHSA-5rm7-2pfg-jpcm

Key Facts

Routine patching

CVE-2026-9424 is a low-severity vulnerability (CVSS 2.1 v4) affecting EW-7438RPn (Edimax).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 2.4% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

CVSS v4

2.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (30-day exploit likelihood)

2.4%

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-9424 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
EW-7438RPnEdimax	See advisory	n/a

Timeline

Publicly disclosed
May 25, 2026
Last updated
Jul 23, 2026

Weakness Type

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

FAQ

Common Questions.

A weakness has been identified in Edimax EW-7438RPn 1.31.
Affected: EW-7438RPn (Edimax). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

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