CVE-2026-4181
CRITICALD-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow
Title source: cnaDescription
A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
Scores
CVSS v3
9.8
EPSS
0.0027
EPSS Percentile
50.7%
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-121
CWE-787
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