CVE-2026-4181

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
8.9HIGH
EPSS
0.1%
top 73.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
D-link Dir-816Dlink Dir-816 Firmware
Timeline
PublishedMar 16

Description

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.

CVSS 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

Affected Packages2 packages

▶CVEListV5d-link/dir-8161.10CNB05
▶NVDdlink/dir-816_firmware1.10cnb05

🔴Vulnerability Details

2
GHSA
GHSA-3v32-rh46-55wq: A security flaw has been discovered in D-Link DIR-816 1↗2026-03-16
▶
CVEList
D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow↗2026-03-15
▶