๐Ÿ›ก๏ธ CVE-2025-66255
๐Ÿ”ด CVSS 9.8 โ€” Critical โš ๏ธ Exploit Public CWE-345 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.ย  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

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-345
Public Exploit โš ๏ธ Yes
Source NVD
Published 2025-11-26
Updated 2026-06-02
Modified 2025-12-03
Fix URL N/A

Affected Packages

Software From version Fixed in
mozart-dds-next-100-firmware โ€” โ€”
mozart-dds-next-1000-firmware โ€” โ€”
mozart-dds-next-2000-firmware โ€” โ€”
mozart-dds-next-30-firmware โ€” โ€”
mozart-dds-next-300-firmware โ€” โ€”
mozart-dds-next-3000-firmware โ€” โ€”
mozart-dds-next-3500-firmware โ€” โ€”
mozart-dds-next-50-firmware โ€” โ€”
mozart-dds-next-500-firmware โ€” โ€”
mozart-dds-next-6000-firmware โ€” โ€”
mozart-dds-next-7000-firmware โ€” โ€”
mozart-next-100-firmware โ€” โ€”
mozart-next-1000-firmware โ€” โ€”
mozart-next-2000-firmware โ€” โ€”
mozart-next-30-firmware โ€” โ€”
mozart-next-300-firmware โ€” โ€”
mozart-next-3000-firmware โ€” โ€”
mozart-next-3500-firmware โ€” โ€”
mozart-next-50-firmware โ€” โ€”
mozart-next-500-firmware โ€” โ€”
mozart-next-6000-firmware โ€” โ€”
mozart-next-7000-firmware โ€” โ€”

References

Exploit, Third Party Advisory https://www.abdulmhsblog.com/posts/webfmvulns/
Exploit, Third Party Advisory https://www.abdulmhsblog.com/posts/webfmvulns/

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