CVE-2026-94089 D-Link DIR-868L - Buffer Overflow

D-Link DIR-868L 2.01b05 contains a stack-based buffer overflow caused by improper handling of the id/password argument in /webfa_authentication.cgi Authentication Handler, letting remote attackers execute code, exploit requires crafted input.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.98% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
20 September 2026
Updated
15 October 2026
Weakness
CWE-119

Vendor fix

Update to the latest firmware version provided by D-Link.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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