CVE-2025-7911 HIGH

CVE-2025-7911: D-Link DI-8100 jhttpd upnp_ctrl.asp sprintf stack-based overflow

Vendor D-Link
Product DI-8100
Weakness CWE-121
Published July 20, 2025
Last update July 21, 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 classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf of the file /upnp_ctrl.asp of the component jhttpd. The manipulation of the argument remove_ext_proto/remove_ext_port leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

July 20, 2025 CVE published
July 21, 2025 Record updated