CVE-2025-66256

critical

Unauthenticated Arbitrary File Upload (patch_contents.php) in DB Electronica Telecomunicazioni S.p.A.

Vendor / product: Dbbroadcast — mozart next 100 firmware

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

9.8

9.8 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (nvd@nist.gov)

Timeline (UTC)

Published: 2025-11-26 01:16

Modified: 2026-10-18 20:10

NVD status: Modified

Last synced 3 days ago

Verified against the source API 2026-10-27 07:06 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

dbbroadcast / mozart_next_100_firmware all versions

dbbroadcast / mozart_next_1000_firmware all versions

dbbroadcast / mozart_next_2000_firmware all versions

dbbroadcast / mozart_next_30_firmware all versions

dbbroadcast / mozart_next_300_firmware all versions

dbbroadcast / mozart_next_3000_firmware all versions

dbbroadcast / mozart_next_3500_firmware all versions

dbbroadcast / mozart_next_50_firmware all versions

dbbroadcast / mozart_next_500_firmware all versions

dbbroadcast / mozart_next_6000_firmware all versions

dbbroadcast / mozart_next_7000_firmware all versions

dbbroadcast / mozart_dds_next_30_firmware all versions

dbbroadcast / mozart_dds_next_50_firmware all versions

dbbroadcast / mozart_dds_next_100_firmware all versions

dbbroadcast / mozart_dds_next_300_firmware all versions

dbbroadcast / mozart_dds_next_500_firmware all versions

dbbroadcast / mozart_dds_next_1000_firmware all versions

dbbroadcast / mozart_dds_next_2000_firmware all versions

dbbroadcast / mozart_dds_next_3000_firmware all versions

dbbroadcast / mozart_dds_next_3500_firmware all versions

dbbroadcast / mozart_dds_next_6000_firmware all versions

dbbroadcast / mozart_dds_next_7000_firmware all versions

Weakness classification (CWE)

CWE-434

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://www.abdulmhsblog.com/posts/webfmvulns/ b7efe717-a805-47cf-8e9a-921fca0ce0ce
https://www.abdulmhsblog.com/posts/webfmvulns/ 134c704f-9b21-4f2e-91b3-4a467353bcc0

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗

Learn the basics

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CVE-2025-66256

Affected products

Weakness classification (CWE)

Mitigation & advisories

References

Data sources

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