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CVE-2025-66256

Published: Nov 26, 2025Updated: Dec 3, 2025 Sources: CVE List NVDCWE-434
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.4%
Top 71.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

Unauthenticated Arbitrary File Upload (patch_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 Unrestricted file upload in patch_contents.php allows uploading malicious files. The `/var/tdf/patch_contents.php` endpoint allows unauthenticated arbitrary file uploads without file type validation, MIME checking, or size restrictions beyond 16MB, enabling attackers to upload malicious files.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-434

Affected Products

mozart next 100 firmwaredbbroadcastICS / OT / IoT
mozart next 1000 firmwaredbbroadcastICS / OT / IoT
mozart next 2000 firmwaredbbroadcastICS / OT / IoT
mozart next 30 firmwaredbbroadcastICS / OT / IoT
mozart next 300 firmwaredbbroadcastICS / OT / IoT
dbbroadcastcommercialICS / OT / IoTaka dbbroadcast, mozart dds
and 18 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

MITRE ATT&CK

3 techniques
Command and Control
Initial Access
Persistence
View detailed technique mapping

References

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

Timeline

Published
Nov 26, 2025
Last Updated
Dec 3, 2025

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