CVE-2026-9479
Deferred Deferred - Pending Action
Stack-Based Buffer Overflow in Edimax EW-7438RPn Router

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

Description
A security vulnerability has been detected in Edimax EW-7438RPn 1.31. The affected element is the function formLogout of the file /goform/formLogout. The manipulation of the argument submit-url leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may 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
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-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.
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).
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Executive Summary

This vulnerability exists in the Edimax EW-7438RPn device, specifically in the function formLogout within the file /goform/formLogout. It involves a stack-based buffer overflow caused by manipulation of the argument submit-url. This flaw can be exploited remotely.

Impact Analysis

Exploitation of this vulnerability can lead to severe consequences such as unauthorized remote code execution or system compromise due to the stack-based buffer overflow. This could allow attackers to take control of the affected device or disrupt its normal operation.

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