CVE-2025-66256

Unauthenticated Arbitrary File Upload (patch_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 Unrestricted file upload in patch_contents.php allows uploading malicious files. The `/var/tdf/patch_contents.php` endpoint allows unauthenticated arbitrary file uploads without file type validation, MIME checking, or size restrictions beyond 16MB, enabling attackers to upload malicious files. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

CVE-2025-66256 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

CVE-2025-66256 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.