PHP CVE-2025-66253

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Unauthenticated OS Command Injection (start_upgrade.php) in DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter versions 30, 50, 100, 300, 500, 1000, 2000, 3000, 3500, 6000, 7000 allows an attacker to perform User input passed directly to exec() allows remote code execution via start_upgrade.php. The /var/tdf/start_upgrade.php endpoint passes user-controlled $_GET["filename"] directly into exec() without sanitization or shell escaping. Attackers can inject arbitrary shell commands using metacharacters (;, |, etc.) to achieve remote code execution as the web server user (likely root). Affected products include: Dbbroadcast Mozart Next 100 Firmware, Dbbroadcast Mozart Next 1000 Firmware, Dbbroadcast Mozart Next 2000 Firmware, Dbbroadcast Mozart Next 30 Firmware, Dbbroadcast Mozart Next 300 Firmware.