OS Command Injection Vulnerability in Edimax EW-7438RPn Wireless Range Extender
CVE-2026-9343

5.3MEDIUM

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9343?

A critical vulnerability exists in the Edimax EW-7438RPn, specifically within the 'formWpsStart' function of the '/goform/formWpsStart' component. This weakness allows for OS command injection through manipulation of the 'pinCode' argument, enabling potential remote attackers to execute arbitrary commands on the device. Despite early notification, the vendor has not responded to address this security risk, leaving users potentially exposed. Publicly available exploits exacerbate the urgency for affected users to take immediate action to secure their devices.

Affected Version(s)

EW-7438RPn 1.0

EW-7438RPn 1.1

EW-7438RPn 1.2

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-2026-9343 - Proof of Concept

References

https://vuldb.com/vuln/365306
vdb-entrytechnical-description
https://vuldb.com/vuln/365306/cti
signaturepermissions-required
https://vuldb.com/submit/813884
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 (VulDB User)
VulDB CNA Team
.