CVE-2026-4184

CRITICAL

D-Link DIR-816 goahead form2Wl5BasicSetup.cgi stack-based overflow

Title source: cna
STIX 2.1

Description

A vulnerability was detected in D-Link DIR-816 1.10CNB05. Affected by this vulnerability is an unknown functionality of the file /goform/form2Wl5BasicSetup.cgi of the component goahead. Performing a manipulation of the argument pskValue results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

References (5)

Core 5
Core References
Product product
https://www.dlink.com/
Vdb Entry, Technical Description vdb-entry technical-description
VDB-351088 | D-Link DIR-816 goahead form2Wl5BasicSetup.cgi stack-based overflow
https://vuldb.com/?id.351088
Signature, Permissions Required signature permissions-required
VDB-351088 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?ctiid.351088
Third Party Advisory third-party-advisory
Submit #769832 | D-Link DIR816 1.10CNB05 Stack-based Buffer Overflow
https://vuldb.com/?submit.769832

Scores

CVSS v3 9.8
EPSS 0.0118
EPSS Percentile 63.6%
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