OS Command Injection Vulnerability in Edimax EW-7438RPn by Edimax
CVE-2026-9424

5.3MEDIUM

Key Information:

Vendor

Edimax

Status
Ew-7438rpn
Vendor
CVE Published:
25 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9424?

A vulnerability has been discovered in the Edimax EW-7438RPn 1.31, specifically within the function formWlanMP located in the file /goform/formWlanMP of the Content-Type Handler component. This flaw allows attackers to manipulate several arguments such as ateFunc, ateGain, and ateMacID. By exploiting this vulnerability, attackers could potentially execute arbitrary commands on the host system remotely. The exploit details have been publicly released and, despite early disclosure of the issue to the vendor, no response has been received.

Affected Version(s)

EW-7438RPn 1.31

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9424 - Proof of Concept

References

https://vuldb.com/vuln/365405
vdb-entrytechnical-description
https://vuldb.com/vuln/365405/cti
signaturepermissions-required
https://vuldb.com/submit/813891
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bond_yes (VulDB User)
VulDB CNA Team
.