CVE-2026-7851: D-Link Di-8100 Firmware

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

A vulnerability was identified in D-Link DI-8100 16.07.26A1. This affects the function sprintf of the file yyxz.asp. The manipulation of the argument ID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

Affected products

• D-Link Di-8100 Firmware: version 16.07.26a1 only

Published 2026-05-05. Last modified 2026-07-20.