CVE-2026-4183CWE-119CWE-121

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

Critical · published March 15, 2026

CVSS v4.0
9.3
EPSS
2%
Percentile
80.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.01951 · 80.1th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-15T16:32Z
EPSS history
Timeline
  • 15 MAR 16:32Z
    D-Link DIR-816 goahead form2WlanBasicSetup.cgi stack-based overflow
    cvelistv5