Command Injection Vulnerability in Edimax BR-6478AC V2
CVE-2026-12808

5.3MEDIUM

Key Information:

Vendor

Edimax

Status
Br-6478ac V2
Vendor
CVE Published:
21 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12808?

A command injection vulnerability exists in the Edimax BR-6478AC V2 router, specifically within the POST request handler for the 'stainfo' function. This flaw allows remote attackers to manipulate input arguments, enabling unauthorized execution of commands. The issue has been publicly disclosed, and despite early notification, the vendor has not responded to address the concerns raised. Users of the affected version (1.23) should take immediate precautions.

Affected Version(s)

BR-6478AC V2 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-2026-12808 - Proof of Concept

References

https://vuldb.com/vuln/372602
vdb-entrytechnical-description
https://vuldb.com/vuln/372602/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12808
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

yhryhryhr_tu (VulDB User)
VulDB CNA Team
.