CVE-2026-7853 CRITICAL

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

Vendor D-Link
Product DI-8100
Weakness CWE-120
Published May 5, 2026
Last update May 5, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /auto_reboot.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.

Key dates

02Disclosure timeline

May 5, 2026 CVE published
May 5, 2026 Record updated