CVE-2026-6014
Received Received - Intake
Remote Buffer Overflow in D-Link DIR-513 POST Handler

Publication date: 2026-04-10

Last updated on: 2026-04-30

Assigner: VulDB

Description
A flaw has been found in D-Link DIR-513 1.10. This issue affects the function formAdvanceSetup of the file /goform/formAdvanceSetup of the component POST Request Handler. This manipulation of the argument webpage causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
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Meta Information
Published
2026-04-10
Last Modified
2026-04-30
Generated
2026-06-16
AI Q&A
2026-04-10
EPSS Evaluated
2026-06-14
NVD
CVE-2026-6014
EUVD
EUVD-2026-21310
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
dlink dir-513_firmware 1.10
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-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.
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Executive Summary

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.

Impact Analysis

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.

Mitigation Strategies

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.

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