VULNERABILITY INTELLIGENCE

CVE-2025-66255

CVSS score9.8 CRITICAL
EPSS probability0.41%
CISA KEVNot currently listed
Published2025-11-26
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Weakness classification

  • b7efe717-a805-47cf-8e9a-921fca0ce0ce: CWE-345
  • nvd@nist.gov: CWE-434

Primary references