CVE-2026-94089: D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-20 · updated 2026-09-22
Weakness: CWE-119

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.

Affected products

D-Link DIR-868L: 2.01b05

References

https://github.com/Walnut1337/CVE/blob/main/poc/poc_crash.py
https://vuldb.com/cve/CVE-2026-94089
https://vuldb.com/submit/951681
https://vuldb.com/vuln/408017
https://vuldb.com/vuln/408017/cti
https://www.dlink.com/

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