CVE-2025-66256
Unauthenticated Arbitrary File Upload (patch_contents.php)
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.
INFO
Published Date :
Nov. 26, 2025, 1:16 a.m.
Last Modified :
Dec. 3, 2025, 5:15 p.m.
Remotely Exploit :
Yes !
Source :
b7efe717-a805-47cf-8e9a-921fca0ce0ce
Affected Products
The following products are affected by CVE-2025-66256
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | b7efe717-a805-47cf-8e9a-921fca0ce0ce | ||||
| CVSS 4.0 | CRITICAL | b7efe717-a805-47cf-8e9a-921fca0ce0ce |
Solution
- Implement file type validation on uploads.
- Enforce MIME type checks for uploaded files.
- Apply size restrictions to uploaded files.
- Remove the vulnerable patch_contents.php script.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-66256.
| URL | Resource |
|---|---|
| https://www.abdulmhsblog.com/posts/webfmvulns/ | Exploit Third Party Advisory |
| https://www.abdulmhsblog.com/posts/webfmvulns/ | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-66256 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-66256
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-66256 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-66256 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 03, 2025
Action Type Old Value New Value Added Reference https://www.abdulmhsblog.com/posts/webfmvulns/ -
Initial Analysis by [email protected]
Dec. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_100_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_2000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_2000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_30_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_30:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_300_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_3000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_3000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_3500_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_3500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_50_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_500_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_6000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_6000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_next_7000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_next_7000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_30_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_30:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_50_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_100_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_300_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_500_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_1000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_2000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_2000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_3000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_3000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_3500_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_3500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_6000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_6000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dbbroadcast:mozart_dds_next_7000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:dbbroadcast:mozart_dds_next_7000:-:*:*:*:*:*:*:* Added Reference Type Gridware: https://www.abdulmhsblog.com/posts/webfmvulns/ Types: Exploit, Third Party Advisory -
New CVE Received by b7efe717-a805-47cf-8e9a-921fca0ce0ce
Nov. 26, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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 Added CWE CWE-434 Added Reference https://www.abdulmhsblog.com/posts/webfmvulns/