Command Injection Vulnerability in Edimax BR-6478AC Router
CVE-2026-9441

5.3MEDIUM

Key Information:

Vendor

Edimax

Status
Br-6478ac
Vendor
CVE Published:
25 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9441?

A security flaw in the Edimax BR-6478AC router allows for command injection via the function formiNICbasic within the POST Request Handler component. By manipulating the 'rootAPmac' argument, an attacker can execute arbitrary commands remotely. This vulnerability has been publicly disclosed, raising concerns about potential exploitation as the vendor has not responded to initial notifications regarding the flaw. Users are advised to take immediate precautions to mitigate risks associated with this security issue.

Affected Version(s)

BR-6478AC 1.23

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-2026-9441 - Proof of Concept

References

https://vuldb.com/vuln/365422
vdb-entrytechnical-description
https://vuldb.com/vuln/365422/cti
signaturepermissions-required
https://vuldb.com/submit/818450
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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
.