Command Injection Vulnerability in Edimax BR-6478AC Routers
CVE-2026-10166

5.3MEDIUM

Key Information:

Vendor

Edimax

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10166?

A command injection vulnerability has been identified in the Edimax BR-6478AC router. Specifically, the issue lies within the formWlbasic function located in the /goform/formWlbasic file, where improper handling of the rootAPmac argument can allow an attacker to execute arbitrary commands. This vulnerability is accessible remotely, leading to significant security risks. As the exploit has been publicly disclosed, it poses a threat to users who have not yet applied necessary security patches.

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-2026-10166 - Proof of Concept

References

https://vuldb.com/vuln/367418
vdb-entrytechnical-description
https://vuldb.com/vuln/367418/cti
signaturepermissions-required
https://vuldb.com/submit/818623
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)
.