CVE-2025-52222: Buffer Overflow

Published Apr 8, 2026
·
Updated

D-Link DI-8003 v16.07.26A1, DI-8500 v16.07.26A1; DI-8003G v17.12.21A1, DI-8200G v17.12.20A1, DI-8200 v16.07.26A1, DI-8400 v16.07.26A1, DI-8004w v16.07.26A1, DI-8100 v16.07.26A1, and DI-8100G v17.12.20A1 were discovered to contain a buffer overflow via the rden, rdauth, rdacct, httphadmin, httphadminpwd, rdkey, and rdip parameters in the radiusasp function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Affected Software

27 affected components
D-Link DI-8003=v16.07.26A1
D-Link DI-8500=v16.07.26A1
D-Link DI-8003G=v17.12.21A1
D-Link DI-8200G=v17.12.20A1
D-Link DI-8200=v16.07.26A1
D-Link DI-8400=v16.07.26A1
D-Link DI-8004w=v16.07.26A1
D-Link DI-8100=v16.07.26A1
D-Link DI-8100G=v17.12.20A1
All of the following
Dlink Di-8100 Firmware=16.07.26a1
Dlink Di-8100
All of the following
Dlink Di-8100g Firmware=17.12.20a1
Dlink Di-8100g
All of the following
Dlink Di-8004w Firmware=16.07.26a1
Dlink Di-8004w
All of the following
Dlink Di-8003g Firmware=17.12.21a1
Dlink Di-8003g
All of the following
Dlink Di-8003 Firmware=16.07.26a1
Dlink DI-8003
All of the following
Dlink Di-8500 Firmware=16.07.26a1
Dlink Di-8500
All of the following
Dlink Di-8200g Firmware=17.12.20a1
Dlink Di-8200g
All of the following
Dlink Di-8200 Firmware=16.07.26a1
Dlink DI-8200=a1
All of the following
Dlink Di-8400 Firmware=16.07.26a1
Dlink DI-8400=a1

Event History

Apr 8, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:24 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-52222?

CVE-2025-52222 has been classified as a critical severity vulnerability due to its buffer overflow impact.

2

How do I fix CVE-2025-52222?

To fix CVE-2025-52222, it is recommended to update your affected D-Link devices to the latest firmware versions provided by the manufacturer.

3

Which D-Link devices are affected by CVE-2025-52222?

CVE-2025-52222 affects D-Link models including DI-8003, DI-8500, DI-8003G, DI-8200G, DI-8200, DI-8400, DI-8004w, DI-8100, and DI-8100G.

4

What type of attack can exploit CVE-2025-52222?

CVE-2025-52222 can be exploited by attackers to execute arbitrary code on the affected D-Link devices through buffer overflow techniques.

5

Is there a workaround for CVE-2025-52222?

While the best solution is to update the firmware, temporarily disabling remote access can act as a workaround until the update is applied.

Contact

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