CVE-2026-10126
Deferred Deferred - Pending Action
Buffer Overflow in Edimax BR-6478AC Router

Publication date: 2026-05-30

Last updated on: 2026-06-01

Assigner: VulDB

Description
A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formQoS of the file /goform/formQoS of the component POST Request Handler. The manipulation of the argument selSSID results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
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Meta Information
Published
2026-05-30
Last Modified
2026-06-01
Generated
2026-06-19
AI Q&A
2026-05-30
EPSS Evaluated
2026-06-18
NVD
EUVD
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-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
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Executive Summary

This vulnerability is a security flaw found in the Edimax BR-6478AC device, specifically in the formQoS function of the /goform/formQoS file within the POST Request Handler component. It occurs due to improper handling of the selSSID argument, which can be manipulated to cause a buffer overflow. This flaw can be exploited remotely, and a public exploit is already available.

Impact Analysis

Exploitation of this vulnerability can lead to a buffer overflow, which may allow an attacker to execute arbitrary code or cause a denial of service on the affected device. Since the attack can be launched remotely, it poses a significant risk of unauthorized access or disruption of network services provided by the Edimax BR-6478AC device.

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