CVE-2026-4183: D-Link DIR-816 goahead form2WlanBasicSetup.cgi stack-based overflow
A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file /goform/form2WlanBasicSetup.cgi of the component goahead. Such manipulation of the argument pskValue leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-4183?
CVE-2026-4183 is classified as a high severity vulnerability due to its potential to allow stack-based overflow.
How do I fix CVE-2026-4183?
To fix CVE-2026-4183, update the D-Link DIR-816 firmware to the latest version provided by the manufacturer.
What does CVE-2026-4183 affect?
CVE-2026-4183 affects the D-Link DIR-816 router, specifically the goahead component related to the form2WlanBasicSetup.cgi file.
What type of vulnerability is CVE-2026-4183?
CVE-2026-4183 is a stack-based buffer overflow vulnerability.
What can an attacker do with CVE-2026-4183?
An attacker can exploit CVE-2026-4183 to execute arbitrary code or manipulate the router’s behavior by sending specially crafted requests.