Stack-Based Buffer Overflow Vulnerability in Edimax EW-7438RPn
CVE-2026-9348

8.7HIGH

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9348?

A stack-based buffer overflow vulnerability exists in the Edimax EW-7438RPn wireless range extender, specifically in the /goform/mp file of its web interface. The flaw arises from improper handling of arguments, which allows an attacker to exploit this vulnerability remotely. This exploitation could potentially lead to arbitrary code execution, putting systems at risk. Users are advised to implement necessary security measures as the exploit has been made publicly available, and prior attempts to notify the vendor regarding this issue went unanswered.

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-2026-9348 - Proof of Concept

References

https://vuldb.com/vuln/365311
vdb-entrytechnical-description
https://vuldb.com/vuln/365311/cti
signaturepermissions-required
https://vuldb.com/submit/813890
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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
.