Buffer Overflow in Edimax EW-7438RPn by Edimax
CVE-2026-9460

8.7HIGH

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9460?

A vulnerability exists in the Edimax EW-7438RPn version 1.31 that allows for a stack-based buffer overflow through the manipulation of the submit-url argument in the formAccept function. Due to the potential for remote exploitation, this weakness enables attackers to execute arbitrary code on the device. The exploit for this vulnerability has already been publicly released, putting users at significant risk. Despite early disclosure attempts to the vendor, no response has been recorded.

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-2026-9460 - Proof of Concept

References

https://vuldb.com/vuln/365441
vdb-entrytechnical-description
https://vuldb.com/vuln/365441/cti
signaturepermissions-required
https://vuldb.com/submit/813897
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
.