CVE-2026-9440
Deferred Deferred - Pending Action
Command Injection in Edimax BR-6478AC Router

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

Description
A vulnerability was identified in Edimax BR-6478AC 1.23. Affected by this vulnerability is the function formAccept of the file /goform/formAccept of the component POST Request Handler. Such manipulation of the argument submit-url leads to command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Meta Information
Published
2026-05-25
Last Modified
2026-05-25
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-9440
EUVD
EUVD-2026-31651
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
edimax br-6478ac 1.23
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
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Executive Summary

This vulnerability exists in the Edimax BR-6478AC device, specifically in the function formAccept within the /goform/formAccept file of the POST Request Handler component. It involves manipulation of the argument submit-url, which leads to command injection. This means an attacker can remotely execute arbitrary commands on the device by exploiting this flaw.

Impact Analysis

The vulnerability allows remote attackers to inject and execute commands on the affected device. This can lead to unauthorized control over the device, potentially compromising its functionality, stealing sensitive information, or using the device as a foothold for further attacks within a network.

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