PatchTheCVECVE-2025-66256: Unauthenticated Arbitrary File Upload (patch_contents.php) in DB Electronica Telecomunicazioni S.p.A
CVE-2025-66256 is a critical-severity flaw (CVSS 9.8) affecting mozart next 100 firmware, mozart next 1000 firmware, mozart next 2000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 restr
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 60%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2025-11-26 |
| Last modified | 2026-10-18 |
Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-66256?
mozart next 100 firmware: mitigate or apply the listed mitigation; mozart next 1000 firmware: mitigate or apply the listed mitigation; mozart next 2000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-66256 being exploited?
CVE-2025-66256 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-66256 affect?
CVE-2025-66256 affects mozart next 100 firmware, mozart next 1000 firmware, mozart next 2000 firmware. Severity is critical (CVSS 9.8). 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 u
How urgent is CVE-2025-66256?
Priority 54/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action
Software pages
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