CVE-2026-9443
Buffer Overflow in Edimax BR-6478AC 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 | br-6478ac | 1.23 |
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-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Edimax BR-6478AC device, specifically in the function formL2TPSetup within the POST Request Handler component. It is caused by improper handling of the L2TPUserName argument, which leads to a buffer overflow condition. This flaw can be exploited remotely by an attacker.
How can this vulnerability impact me? :
Exploitation of this vulnerability can lead to a buffer overflow, which may allow an attacker to execute arbitrary code or cause a denial of service on the affected device. Since the attack can be initiated remotely, it poses a significant security risk to the device and potentially the network it is connected to.