CVE-2026-10206: D-Link Di-8400

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was detected in D-Link DI-8400 up to 16.07.26A1. This affects an unknown function of the file /dbsrv.asp. Performing a manipulation of the argument str results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The initial researcher advisory mentions contradicting parameter names to be affected.

Affected products

• D-Link Di-8400: version 16.07.26A1 only

Published 2026-06-01. Last modified 2026-07-22.