CVE-2025-66255 (GCVE-0-2025-66255)

Vulnerability from cvelistv5 – Published: 2025-11-26 00:39 – Updated: 2025-12-03 16:00
VLAI?
Summary
Unauthenticated Arbitrary File Upload (upgrade_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 Missing signature validation allows uploading malicious firmware packages.  The firmware upgrade endpoint in `upgrade_contents.php` accepts arbitrary file uploads without validating file headers, cryptographic signatures, or enforcing .tgz format requirements, allowing malicious firmware injection. This endpoint also subsequently provides ways for arbitrary file uploads and subsequent remote code execution
Severity ?
9.9 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:N/SA:N
CWE
  • CWE-345 - Unauthenticated Arbitrary File Upload (upgrade_contents.php)
Assigner
References
https://www.abdulmhsblog.com/posts/webfmvulns/ exploittechnical-description
Impacted products
Vendor Product Version
DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter Affected: 30
Affected: 50
Affected: 100
Affected: 300
Affected: 500
Affected: 1000
Affected: 2000
Affected: 3000
Affected: 3500
Affected: 6000
Affected: 7000
Create a notification for this product.
Credits
Abdul Mhanni
Show details on NVD website
To clipboard 

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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.