CVE-2025-52222
Buffer Overflow in D-Link Radius Function Causes DoS
Publication date: 2026-04-08
Last updated on: 2026-04-14
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dlink | di-8100_firmware | 16.07.26a1 |
| dlink | di-8100g_firmware | 17.12.20a1 |
| dlink | di-8004w_firmware | 16.07.26a1 |
| dlink | di-8003g_firmware | 17.12.21a1 |
| dlink | di-8003_firmware | 16.07.26a1 |
| dlink | di-8500_firmware | 16.07.26a1 |
| dlink | di-8200g_firmware | 17.12.20a1 |
| dlink | di-8200_firmware | 16.07.26a1 |
| dlink | di-8400_firmware | 16.07.26a1 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| 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 several D-Link devices, including models DI-8003, DI-8500, DI-8003G, DI-8200G, DI-8200, DI-8400, DI-8004w, DI-8100, and DI-8100G. It is caused by a buffer overflow in the radius_asp function when processing certain parameters such as rd_en, rd_auth, rd_acct, http_hadmin, http_hadminpwd, rd_key, and rd_ip.
An attacker can exploit this buffer overflow by sending a specially crafted request to the affected device.
How can this vulnerability impact me? :
Exploitation of this vulnerability can cause a Denial of Service (DoS) condition on the affected D-Link devices.
This means that an attacker could make the device unavailable or unresponsive by sending a crafted request that triggers the buffer overflow.