CVE-2025-11338 HIGH

CVE-2025-11338: D-Link DI-7100G C1 jhttpd login.cgi sub_4C0990 buffer overflow

Vendor D-Link
Product DI-7100G C1
Weakness CWE-120
Published October 6, 2025
Last update October 6, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 6, 2025 CVE published
October 6, 2025 Record updated