CVE-2026-4183

CRITICAL

D-Link DIR-816 goahead form2WlanBasicSetup.cgi stack-based overflow

Title source: cna
STIX 2.1

Description

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.

References (5)

Scores

CVSS v3 9.8
EPSS 0.0037
EPSS Percentile 58.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-787 CWE-121
Status published
Products (2)
D-Link/DIR-816 1.10CNB05
dlink/dir-816_firmware 1.10cnb05
Published Mar 16, 2026
Tracked Since Mar 16, 2026