Unauthenticated OS Command Injection (restore_settings.php)

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.

Scores

EPSS (exploitation in 30 days)

2.3% · top 17% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: poc · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.9.

Weakness

• CWE-78 Unauthenticated OS Command Injection (restore_settings.php) (opens in a new tab)All about CWE-78 and its CVEs

Affected products

• DB Electronica Telecomunicazioni S.p.A. · Mozart FM Transmitter

  • affected 30
  • affected 50
  • affected 100
  • affected 300
  • affected 500
  • affected 1000
  • affected 2000
  • affected 3000
  • affected 3500
  • affected 6000
  • affected 7000

References (1)

• https://www.abdulmhsblog.com/posts/webfmvulns/ (opens in a new tab)exploittechnical-description

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2025-66261](https://trackcve.app/badge/CVE-2025-66261.svg)](https://trackcve.app/cve/CVE-2025-66261)

Record last updated 26 Nov 2025, 15:00 UTC.