CVE-2025-66254
CriticalSummary
An unauthenticated attacker can use the deleteupgrade parameter in upgrade_contents.php to delete arbitrary files in /var/www/upload/ without extension or path sanitization, potentially removing critical system files.
Risk Assessment
Risk of system file deletion, potentially causing device malfunction or requiring recovery from backup.
Recommendation
Secure the upgrade_contents.php endpoint against unauthorized access and implement path and extension validation.
Original NVD description (English source)
Unauthenticated Arbitrary File Deletion (upgrade_contents.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 The deleteupgrade parameter allows unauthenticated deletion of arbitrary files. The `deleteupgrade` parameter in `/var/www/upgrade_contents.php` allows unauthenticated deletion of arbitrary files in `/var/www/upload/` without any extension restriction or path sanitization, enabling attackers to remove critical system files.

