CVE-2026-94089: D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow
A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfaauthentication.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.
Affected Software
Event History
Frequently Asked Questions
Which deployments are exposed to remote exploitation?
D-Link DIR-868L devices running version 2.01b05 are identified as affected. The attack is remote and requires no privileges or user interaction.
What inputs are involved in exploitation?
The issue is in the Authentication Handler's /webfa_authentication.cgi endpoint. Manipulated id or password arguments can trigger a stack-based buffer overflow.
How urgent is remediation?
The issue is rated critical with network attack vector, low attack complexity, no required privileges, and no user interaction. Public exploit disclosure means exploitation may be feasible for attackers.