CVE-2025-66254

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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

CVE-2025-66254 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

CVE-2025-66254 affects products from dbbroadcast, specifically: mozart_dds_next_100, mozart_dds_next_1000, mozart_dds_next_1000_firmware, mozart_dds_next_100_firmware, mozart_dds_next_2000, mozart_dds_next_2000_firmware, mozart_dds_next_30, mozart_dds_next_300, mozart_dds_next_3000, mozart_dds_next_3000_firmware, mozart_dds_next_300_firmware, mozart_dds_next_30_firmware, mozart_dds_next_3500, mozart_dds_next_3500_firmware, mozart_dds_next_50, mozart_dds_next_500, mozart_dds_next_500_firmware, mozart_dds_next_50_firmware, mozart_dds_next_6000, mozart_dds_next_6000_firmware, mozart_dds_next_7000, mozart_dds_next_7000_firmware, mozart_next_100, mozart_next_1000, mozart_next_1000_firmware, mozart_next_100_firmware, mozart_next_2000, mozart_next_2000_firmware, mozart_next_30, mozart_next_300, mozart_next_3000, mozart_next_3000_firmware, mozart_next_300_firmware, mozart_next_30_firmware, mozart_next_3500, mozart_next_3500_firmware, mozart_next_50, mozart_next_500, mozart_next_500_firmware, mozart_next_50_firmware, mozart_next_6000, mozart_next_6000_firmware, mozart_next_7000, mozart_next_7000_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.