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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-26 · updated 2026-10-18
Weakness: CWE-78

Description

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.

Affected products

Dbbroadcast Mozart Dds Next 1000 Firmware: all versions
Dbbroadcast Mozart Dds Next 100 Firmware: all versions
Dbbroadcast Mozart Dds Next 2000 Firmware: all versions
Dbbroadcast Mozart Dds Next 3000 Firmware: all versions
Dbbroadcast Mozart Dds Next 300 Firmware: all versions
Dbbroadcast Mozart Dds Next 30 Firmware: all versions
Dbbroadcast Mozart Dds Next 3500 Firmware: all versions
Dbbroadcast Mozart Dds Next 500 Firmware: all versions
Dbbroadcast Mozart Dds Next 50 Firmware: all versions
Dbbroadcast Mozart Dds Next 6000 Firmware: all versions
Dbbroadcast Mozart Dds Next 7000 Firmware: all versions
Dbbroadcast Mozart Next 1000 Firmware: all versions
Dbbroadcast Mozart Next 100 Firmware: all versions
Dbbroadcast Mozart Next 2000 Firmware: all versions
Dbbroadcast Mozart Next 3000 Firmware: all versions
Dbbroadcast Mozart Next 300 Firmware: all versions
Dbbroadcast Mozart Next 30 Firmware: all versions
Dbbroadcast Mozart Next 3500 Firmware: all versions
Dbbroadcast Mozart Next 500 Firmware: all versions
Dbbroadcast Mozart Next 50 Firmware: all versions
Dbbroadcast Mozart Next 6000 Firmware: all versions
Dbbroadcast Mozart Next 7000 Firmware: all versions

References

https://www.abdulmhsblog.com/posts/webfmvulns/

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