Buffer Overflow Vulnerability in Edimax EW-7478APC Product
CVE-2026-13583

8.7HIGH

Key Information:

Vendor

Edimax

Status
Ew-7478apc
Vendor
CVE Published:
29 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13583?

A remote vulnerability exists in the Edimax EW-7478APC 1.04 related to the processing of the formUSBFolder function within the POST Request Handler. The vulnerability arises from improper handling of the ShareName/SelectName parameters, leading to potential buffer overflow conditions. This issue could be exploited by attackers to execute arbitrary code remotely. Despite being informed about the vulnerability, the vendor has not responded to notifications about the risks associated with this flaw.

Affected Version(s)

EW-7478APC 1.04

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-2026-13583 - Proof of Concept

References

https://vuldb.com/vuln/374589
vdb-entrytechnical-description
https://vuldb.com/vuln/374589/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13583
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

wxhwxhwxh_mie (VulDB User)
VulDB CNA Team
.