CVE-2026-9460
Deferred Deferred - Pending Action

Stack-Based Buffer Overflow in Edimax EW-7438RPn

Vulnerability report for CVE-2026-9460, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

Description

A weakness has been identified in Edimax EW-7438RPn 1.31. This impacts the function formAccept of the file /goform/formAccept. Executing a manipulation of the argument submit-url can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Scores

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Meta Information

Published
2026-05-25
Last Modified
2026-05-25
Generated
2026-07-06
AI Q&A
2026-05-26
EPSS Evaluated
2026-07-04
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
edimax ew-7438rpn 1.31

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 EW-7438RPn device, specifically in the function formAccept within the file /goform/formAccept. It involves a weakness where manipulating the argument submit-url can cause a stack-based buffer overflow. This means that an attacker can send specially crafted data to the device remotely, potentially causing it to behave unexpectedly or execute malicious code.

Impact Analysis

The vulnerability can be exploited remotely to cause a stack-based buffer overflow, which may allow an attacker to execute arbitrary code on the affected device. This can lead to unauthorized control over the device, disruption of its normal operation, or further attacks within the network where the device is deployed.

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