CVE-2026-10165
Deferred Deferred - Pending Action

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

Vulnerability report for CVE-2026-10165, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-31

Last updated on: 2026-05-31

Assigner: VulDB

Description

A vulnerability was identified in Edimax BR-6478AC 1.23. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.

CVSS Scores

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Meta Information

Published
2026-05-31
Last Modified
2026-05-31
Generated
2026-07-10
AI Q&A
2026-05-31
EPSS Evaluated
2026-07-09
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 device, specifically in the function formWanTcpipSetup within the POST Request Handler component. It involves manipulation of the argument pppUserName, which leads to a stack-based buffer overflow. This type of vulnerability allows an attacker to overwrite parts of the memory stack, potentially leading to arbitrary code execution or system crashes.

The attack can be performed remotely, meaning an attacker does not need physical access to the device to exploit it. Additionally, the exploit code is publicly available, increasing the risk of exploitation.

Impact Analysis

Exploitation of this vulnerability can lead to serious impacts including unauthorized remote code execution, denial of service, or complete compromise of the affected device. Since the vulnerability allows remote exploitation, attackers could gain control over the device or disrupt its normal operation without needing physical access.

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