CVE-2026-6014
Remote Buffer Overflow in D-Link DIR-513 POST Handler
Publication date: 2026-04-10
Last updated on: 2026-04-30
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dlink | dir-513_firmware | 1.10 |
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 is a buffer overflow flaw found in the D-Link DIR-513 device, specifically in the function formAdvanceSetup within the /goform/formAdvanceSetup POST request handler. The issue arises from improper handling of the 'webpage' argument, which can be manipulated remotely to cause the buffer overflow.
Because the flaw is in a POST request handler, an attacker can exploit it remotely by sending crafted requests to the device.
The affected products are no longer supported by the maintainer, and an exploit for this vulnerability has already been published.
How can this vulnerability impact me? :
Exploitation of this buffer overflow vulnerability can lead to severe impacts including unauthorized remote code execution, denial of service, or system compromise on the affected D-Link DIR-513 device.
Since the device is no longer supported, there may be no official patches or fixes, increasing the risk of exploitation.
What immediate steps should I take to mitigate this vulnerability?
This vulnerability affects D-Link DIR-513 1.10 devices which are no longer supported by the maintainer.
Immediate mitigation steps include discontinuing use of the affected device or isolating it from untrusted networks to prevent remote exploitation.
Since no patches or updates are available, consider replacing the device with a supported model to ensure security.