CVE-2026-4181

CRITICAL 9.8

D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	d-link
Product	dir-816
Published	Mar 15, 2026
Last Updated	Mar 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-816

1.10CNB05

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.351085 vuldb.com: https://vuldb.com/?ctiid.351085 vuldb.com: https://vuldb.com/?submit.769829 github.com: https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md dlink.com: https://www.dlink.com/

Credits

🔍 pjqwudi (VulDB User)