CVE-2026-9427
Stack-Based Buffer Overflow in Edimax EW-7438RPn Router
Publication date: 2026-05-25
Last updated on: 2026-05-25
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| edimax | ew-7438rpn | 1.31 |
Helpful Resources
Exploitability
| 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). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stack-based buffer overflow found in the Edimax EW-7438RPn device, specifically in the function formWlSiteSurvey within the /goform/formWlSiteSurvey component called webs.
The issue arises from improper handling of the argument selSSID/submit-url, which can be manipulated remotely to cause the overflow.
An exploit for this vulnerability has been published, making it possible for attackers to leverage it.
How can this vulnerability impact me? :
The vulnerability allows remote attackers to cause a stack-based buffer overflow, which can lead to severe impacts such as executing arbitrary code, crashing the device, or gaining unauthorized control.
Given the high CVSS scores (up to 9.0 in version 2.0), the impact includes high confidentiality, integrity, and availability risks.