CVE-2026-94089 CRITICAL

CVE-2026-94089: D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow

Vendor D-Link
Product DIR-868L
Weakness CWE-121
Published September 20, 2026
Last update September 20, 2026

CVSS base score

10.0/10
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:H/SI:H/SA:H/E:P

What the vulnerability does

01Description

A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfa_authentication.cgi of the component Authentication Handler. Executing a manipulation of the argument id/password can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

September 20, 2026 CVE published