Stack-based Buffer Overflow Vulnerability in Edimax EW-7438RPn Device
CVE-2026-9482

8.7HIGH

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9482?

A remote stack-based buffer overflow vulnerability has been identified in the Edimax EW-7438RPn 1.31. The issue arises from improper handling of the 'submit-url' argument in the /goform/formSDHCP function. This vulnerability allows attackers to manipulate the affected application from a distance, potentially compromising the system's integrity. The vulnerability details were disclosed publicly, and the vendor was informed prior to disclosure but has yet to respond.

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-2026-9482 - Proof of Concept

References

https://vuldb.com/vuln/365463
vdb-entrytechnical-description
https://vuldb.com/vuln/365463/cti
signaturepermissions-required
https://vuldb.com/submit/813904
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

Buoy (VulDB User)
VulDB CNA Team
.