CVE-2025-11339 HIGH

CVE-2025-11339: D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow

Vendor D-Link
Product DI-7100G C1
Weakness CWE-120
Published October 6, 2025
Last update October 6, 2025
View on NVD All CVEs

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 vulnerability has been found in D-Link DI-7100G C1 up to 20250928. This issue affects the function sub_4BD4F8 of the file /webchat/hi_block.asp of the component jhttpd. The manipulation of the argument popupId leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

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