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CVE-2026-4181

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

Published: Mar 15, 2026Updated: Apr 6, 2026 Sources: CVE List NVD BDUCWE-119
9.8CRITICAL
NVD MITRE
EPSS Score
1.2%
Top 35.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-121CWE-787

Affected Products

D-Link Corp.
commercial·TWaka dlink, d-link international, d-link corporation
dir-816 firmware
Networking Infrastructure
DIR-816
Networking Infrastructure
D-Link
commercial·TW
DIR-816
Networking Infrastructure

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md
github.com
https://vuldb.com/?ctiid.351085
vuldb.com
https://vuldb.com/?id.351085
vuldb.com
and 6 more references View all →

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