CVE-2025-66253: Dbbroadcast Mozart Dds Next 1000 Firmware

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

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

  • Dbbroadcast Mozart Dds Next 1000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 100 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 2000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 3000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 300 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 30 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 3500 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 500 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 50 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 6000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Dds Next 7000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 1000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 100 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 2000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 3000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 300 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 30 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 3500 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 500 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 50 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 6000 Firmware: affected versions not specified
  • Dbbroadcast Mozart Next 7000 Firmware: affected versions not specified

Published 2025-11-26. Last modified 2026-06-17.