CVE-2026-10125
Deferred Deferred - Pending Action

Stack-Based Buffer Overflow in Edimax BR-6478AC Router

Vulnerability report for CVE-2026-10125, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-30

Last updated on: 2026-06-01

Assigner: VulDB

Description

A vulnerability was identified in Edimax BR-6478AC 1.23. Affected by this vulnerability is the function formPPPoESetup of the file /goform/formPPPoESetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

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Meta Information

Published
2026-05-30
Last Modified
2026-06-01
Generated
2026-07-10
AI Q&A
2026-05-30
EPSS Evaluated
2026-07-08
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-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
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.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in the Edimax BR-6478AC router, specifically in the function formPPPoESetup within the POST Request Handler component. It is caused by improper handling of the pppUserName argument, which leads to a stack-based buffer overflow. This means that an attacker can send specially crafted data remotely to overflow the buffer and potentially execute arbitrary code or cause a crash.

Impact Analysis

The vulnerability can be exploited remotely without user interaction, allowing an attacker with low privileges to cause a stack-based buffer overflow. This can lead to severe impacts such as remote code execution, denial of service, or unauthorized control over the affected device.

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