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Public proof of concept

CVE-2025-66261

A public proof of concept exists; no exploitation attested.

  • Published2025-11-26
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-11-2601:16CVE publishedNVD

Versions per branch

NVD
Dbbroadcast mozart dds next 100 firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published
Dbbroadcast mozart dds next 1000 firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published
Dbbroadcast mozart dds next 2000 firmwareversion to verify
BranchAffectedFixed in
—all versionsno fix published

19 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Gridware, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitterother versions: not affected
    Affected
    • = 30no fix stated
    • = 50no fix stated
    • = 100no fix stated
    • = 300no fix stated
    • = 500no fix stated
    • = 1000no fix stated
    • = 2000no fix stated
    • = 3000no fix stated

    3 more version lines in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-11-26

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-11-26
Last Modified
2026-10-18
NVD status
Analyzed
GitHub Advisory
GHSA-q595-fccr-c7x4

Frequently asked questions

What is CVE-2025-66261?

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.

Is CVE-2025-66261 actively exploited?

A proof-of-concept exploit exists for CVE-2025-66261, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-66261?

CVE-2025-66261 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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