Buffer Overflow Vulnerability in Edimax EW-7478APC
CVE-2026-13580

8.7HIGH

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13580?

A security vulnerability has been identified in the Edimax EW-7478APC version 1.04 that allows for a buffer overflow during the execution of the formQoS function within the POST Request Handler. This vulnerability arises from insecure handling of the selSSID argument, which can result in remote exploitation by attackers. Despite early disclosure of this flaw to the vendor, no response was received, raising concerns about the potential for exploitation by malicious actors.

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-2026-13580 - Proof of Concept

References

https://vuldb.com/vuln/374586
vdb-entrytechnical-description
https://vuldb.com/vuln/374586/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13580
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
.