CVE-2026-7248 CRITICAL

CVE-2026-7248: D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow

Vendor D-Link
Product DI-8100
Weakness CWE-120
Published April 28, 2026
Last update April 29, 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 vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 29, 2026 Record updated