Critical severity · published Sep 20, 2026
CVE-2026-94089
D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow
10.0
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfa_authentication.cgi of the component Authentication Handler. Executing a manipulation of the argument id/password can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-868L · D-Link
2.01b05 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-94089
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-94089
github.com
https://github.com/Walnut1337/CVE/blob/main/poc/poc_crash.py
vuldb.com
https://vuldb.com/cve/CVE-2026-94089
vuldb.com
https://vuldb.com/submit/951681
vuldb.com
https://vuldb.com/vuln/408017
vuldb.com
https://vuldb.com/vuln/408017/cti
www.dlink.com
https://www.dlink.com/
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