CVE-2026-7853: D-Link DI-8100 HTTP auto_reboot.asp sprintf buffer overflow

Published May 5, 2026
·
Updated

A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /autoreboot.asp of the component HTTP Handler. This manipulation of the argument enable/time causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected Software

3 affected components
D-Link DI-8100=16.07.26A1
All of the following
Dlink Di-8100 Firmware=16.07.26a1
Dlink Di-8100

Event History

May 5, 2026
CVE Published
via MITRE·05:45 PM
Data Sourced
via MITRE·05:45 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Sep 1, 58328
Event
via FIRST·07:26 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-7853?

CVE-2026-7853 has a high severity rating due to the potential for remote code execution via a buffer overflow.

2

How do I fix CVE-2026-7853?

To fix CVE-2026-7853, update the D-Link DI-8100 to the latest firmware version provided by the vendor.

3

What impact does CVE-2026-7853 have on my D-Link DI-8100 device?

CVE-2026-7853 can lead to unauthorized access or control over the device by exploiting the buffer overflow vulnerability.

4

Is there a workaround for CVE-2026-7853?

A possible workaround for CVE-2026-7853 is to disable HTTP access to the device until the firmware is updated.

5

What component is affected by CVE-2026-7853?

CVE-2026-7853 affects the HTTP Handler component, specifically the sprintf function in auto_reboot.asp.

Contact

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