Buffer Overflow Vulnerability in Edimax EW-7478APC Wireless Range Extender
CVE-2026-13562

8.7HIGH

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13562?

A vulnerability in the Edimax EW-7478APC wireless range extender has been identified, specifically in the function handling POST requests for site surveys. The incident involves improper processing of the 'selSSID' parameter, leading to a buffer overflow situation. This weakness can be exploited remotely, potentially allowing attackers to execute arbitrary code on the affected device. Despite early disclosure attempts to the vendor, there has been no response regarding this critical security issue.

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-2026-13562 - Proof of Concept

References

https://vuldb.com/vuln/374570
vdb-entrytechnical-description
https://vuldb.com/vuln/374570/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13562
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
.