CVE-2026-120189: D-Link DIR-505 TFTP Upload Filename tftpd mp_upload_file stack-based overflow

A vulnerability was identified in D-Link DIR-505 1.10B02. Affected is the function saveuploadfile/mpuploadfile of the file /usr/bin/tftpd of the component TFTP Upload Filename Handler. The manipulation leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.