CVE-2025-66255

CRITICAL

9.8

Description

Unauthenticated Arbitrary File Upload (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 Missing signature validation allows uploading malicious firmware packages. The firmware upgrade endpoint in `upgrade_contents.php` accepts arbitrary file uploads without validating file headers, cryptographic signatures, or enforcing .tgz format requirements, allowing malicious firmware injection. This endpoint also subsequently provides ways for arbitrary file uploads and subsequent remote code execution

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/26/2025

Last Modified12/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

dbbroadcast:mozart_dds_next_100dbbroadcast:mozart_dds_next_1000dbbroadcast:mozart_dds_next_1000_firmwaredbbroadcast:mozart_dds_next_100_firmwaredbbroadcast:mozart_dds_next_2000dbbroadcast:mozart_dds_next_2000_firmwaredbbroadcast:mozart_dds_next_30dbbroadcast:mozart_dds_next_300dbbroadcast:mozart_dds_next_3000dbbroadcast:mozart_dds_next_3000_firmwaredbbroadcast:mozart_dds_next_300_firmwaredbbroadcast:mozart_dds_next_30_firmwaredbbroadcast:mozart_dds_next_3500dbbroadcast:mozart_dds_next_3500_firmwaredbbroadcast:mozart_dds_next_50dbbroadcast:mozart_dds_next_500dbbroadcast:mozart_dds_next_500_firmwaredbbroadcast:mozart_dds_next_50_firmwaredbbroadcast:mozart_dds_next_6000dbbroadcast:mozart_dds_next_6000_firmwaredbbroadcast:mozart_dds_next_7000dbbroadcast:mozart_dds_next_7000_firmwaredbbroadcast:mozart_next_100dbbroadcast:mozart_next_1000dbbroadcast:mozart_next_1000_firmwaredbbroadcast:mozart_next_100_firmwaredbbroadcast:mozart_next_2000dbbroadcast:mozart_next_2000_firmwaredbbroadcast:mozart_next_30dbbroadcast:mozart_next_300dbbroadcast:mozart_next_3000dbbroadcast:mozart_next_3000_firmwaredbbroadcast:mozart_next_300_firmwaredbbroadcast:mozart_next_30_firmwaredbbroadcast:mozart_next_3500dbbroadcast:mozart_next_3500_firmwaredbbroadcast:mozart_next_50dbbroadcast:mozart_next_500dbbroadcast:mozart_next_500_firmwaredbbroadcast:mozart_next_50_firmwaredbbroadcast:mozart_next_6000dbbroadcast:mozart_next_6000_firmwaredbbroadcast:mozart_next_7000dbbroadcast:mozart_next_7000_firmware

Weaknesses (CWE)

CWE-345CWE-434

References

https://www.abdulmhsblog.com/posts/webfmvulns/(b7efe717-a805-47cf-8e9a-921fca0ce0ce)

https://www.abdulmhsblog.com/posts/webfmvulns/(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.