Buffer Overflow Vulnerability in Edimax EW-7478APC
CVE-2026-13582

8.7HIGH

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13582?

A buffer overflow vulnerability exists in Edimax EW-7478APC version 1.04 due to improper handling of arguments in the formUSBAccount function of the POST Request Handler component. By manipulating the UserName and Password fields, an attacker can potentially exploit this flaw remotely, leading to unauthorized access or disruption of service. This vulnerability has been publicly disclosed, and the vendor has not responded to initial communications regarding its details.

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-2026-13582 - Proof of Concept

References

https://vuldb.com/vuln/374588
vdb-entrytechnical-description
https://vuldb.com/vuln/374588/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13582
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
.