Critical severity · published Mar 15, 2026
CVE-2026-4183
D-Link DIR-816 goahead form2WlanBasicSetup.cgi stack-based overflow
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file /goform/form2WlanBasicSetup.cgi of the component goahead. Such manipulation of the argument pskValue leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-816 · D-Link
1.10CNB05 · source: vendor
DF
Dir-816 Firmware · Dlink
1.10cnb05 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4183
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4183
Exploit
https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_87/87.md
Permissions Required
https://vuldb.com/?ctiid.351087
Third Party Advisory
https://vuldb.com/?id.351087
Third Party Advisory
https://vuldb.com/?submit.769831
Product
https://www.dlink.com/
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