CVE-2026-4182

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 weakness has been identified in D-Link DIR-816 1.10CNB05. This impacts an unknown function of the file /goform/form2Wl5RepeaterStep2.cgi of the component goahead. This manipulation of the argument key1/key2/key3/key4/pskValue causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could 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-jmxw-gwqc-xrm5: A weakness has been identified in D-Link DIR-816 1↗2026-03-16
▶
CVEList
D-Link DIR-816 goahead form2Wl5RepeaterStep2.cgi stack-based overflow↗2026-03-15
▶