CVE-2026-4182

Name: CVE-2026-4182
Creator: NVD / NIST
Published: 2026-03-16T14:19:59.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.9/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2026-4182 is a high-severity vulnerability rated 8.9/10 on the CVSS scale. 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. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.9/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.08%

60.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-816 Firmware	1.10cnb05

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_86/86.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.351086Permissions Required, VDB Entry
https://vuldb.com/?id.351086Third Party Advisory, VDB Entry
https://vuldb.com/?submit.769830Third Party Advisory, VDB Entry
https://www.dlink.com/Product

Timeline

Published: Mar 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4182?

How severe is CVE-2026-4182?

CVE-2026-4182 has a CVSS score of 8.9/10 (HIGH severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4182?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4182?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST