CVE-2025-11338: D-Link Di-7100g c1 Firmware

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

A flaw has been found in D-Link DI-7100G C1 up to 20250928. This vulnerability affects the function sub_4C0990 of the file /webchat/login.cgi of the component jhttpd. Executing manipulation of the argument openid can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Affected products

• D-Link Di-7100g c1 Firmware: version 2025-09-28 only

Published 2025-10-06. Last modified 2026-10-09.