Command Injection Vulnerability in Edimax EW-7438RPn Device
CVE-2026-9363

5.3MEDIUM

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9363?

A command injection vulnerability exists in the Edimax EW-7438RPn device, specifically within the function formEZCHNwlanSetup of the POST Request Handler component. This flaw can be exploited through the manipulation of the argument method, allowing for unauthorized remote command execution. The implications of this security issue are significant, especially since the exploit has been publicly disclosed. Notably, attempts to notify the vendor about the vulnerability went unanswered, leaving users exposed to potential attacks.

Affected Version(s)

EW-7438RPn 1.12

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-2026-9363 - Proof of Concept

References

https://vuldb.com/vuln/365326
vdb-entrytechnical-description
https://vuldb.com/vuln/365326/cti
signaturepermissions-required
https://vuldb.com/submit/811554
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

yhryhryhr_miemie (VulDB User)
VulDB CNA Team
.