CVE-2026-7851 HIGH

CVE-2026-7851: D-Link DI-8100 yyxz.asp sprintf stack-based overflow

Vendor D-Link
Product DI-8100
Weakness CWE-121
Published May 5, 2026
Last update May 6, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A vulnerability was identified in D-Link DI-8100 16.07.26A1. This affects the function sprintf of the file yyxz.asp. The manipulation of the argument ID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

May 5, 2026 CVE published
May 6, 2026 Record updated