CVE-2026-6012
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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| Percentile: |
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
What immediate steps should I take to mitigate this vulnerability?
This vulnerability affects D-Link DIR-513 1.10 devices that are no longer supported by the maintainer.
Immediate mitigation steps include discontinuing the use of the affected device or isolating it from untrusted networks to prevent remote exploitation.
Since the exploit is publicly disclosed and can be carried out remotely, avoid exposing the device to the internet or untrusted networks.
Can you explain this vulnerability to me?
This vulnerability exists in the D-Link DIR-513 device, specifically in the function formSetPassword within the /goform/formSetPassword file of the POST Request Handler component. It involves manipulation of the argument curTime, which leads to a buffer overflow. This buffer overflow can be exploited remotely.
The vulnerability affects only products that are no longer supported by the maintainer.
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 carried out remotely, it poses a significant security risk.
Given the high CVSS scores (up to 9.0 in version 2.0), the impact includes potential complete compromise of confidentiality, integrity, and availability of the device.