CVE-2025-66261 CRITICAL

CVE-2025-66261: Unauthenticated OS Command Injection (restore_settings.php)

Vendor Db Electronica Telecomunicazioni S.p.a.
Product Mozart FM Transmitter
Weakness CWE-78
Published November 26, 2025
Last update November 26, 2025

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N

What the vulnerability does

01Description

Unauthenticated OS Command Injection (restore_settings.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 URL-decoded name parameter passed to exec() allows remote code execution. The `/var/tdf/restore_settings.php` endpoint passes user-controlled `$_GET["name"]` parameter through `urldecode()` directly into `exec()` without validation or escaping. Attackers can inject arbitrary shell commands using metacharacters (`;`, `|`, `&&`, etc.) to achieve unauthenticated remote code execution as the web server user.

Key dates

02Disclosure timeline

November 26, 2025 CVE published
November 26, 2025 Record updated