A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Ha…

A buffer overflow vulnerability (CVE-2026-7857) has been discovered in D-Link DI-8100 version 16.07.26A1. The vulnerability affects the sprintf function in the /user_group.asp file of the CGI Handler component. This security flaw can be exploited remotely through manipulation techniques leading to buffer overflow conditions. The exploit code has been publicly disclosed and is available for use by attackers. The vulnerability poses a significant security risk as it allows remote exploitation of affected D-Link network devices.