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CVE-2025-66255

critical · 9.9

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

9.9
CVSS
0.4%
EPSS (exploit prob.)
32nd
EPSS percentile
2025-11-26
Published

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/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

Weaknesses

CWE-345CWE-434

Affected products

VendorProductAffected versions
dbbroadcastmozart_next_3000_firmwareall versions
dbbroadcastmozart_next_3000all versions
dbbroadcastmozart_next_3500_firmwareall versions
dbbroadcastmozart_next_3500all versions
dbbroadcastmozart_next_50_firmwareall versions
dbbroadcastmozart_next_50all versions
dbbroadcastmozart_next_500_firmwareall versions
dbbroadcastmozart_next_500all versions
dbbroadcastmozart_next_6000_firmwareall versions
dbbroadcastmozart_next_6000all versions
dbbroadcastmozart_next_7000_firmwareall versions
dbbroadcastmozart_next_7000all versions
dbbroadcastmozart_next_100_firmwareall versions
dbbroadcastmozart_next_100all versions
dbbroadcastmozart_next_1000_firmwareall versions
dbbroadcastmozart_next_1000all versions
dbbroadcastmozart_next_2000_firmwareall versions
dbbroadcastmozart_next_2000all versions
dbbroadcastmozart_next_30_firmwareall versions
dbbroadcastmozart_next_30all versions
dbbroadcastmozart_next_300_firmwareall versions
dbbroadcastmozart_next_300all versions
dbbroadcastmozart_dds_next_30_firmwareall versions
dbbroadcastmozart_dds_next_30all versions
dbbroadcastmozart_dds_next_50_firmwareall versions
dbbroadcastmozart_dds_next_50all versions
dbbroadcastmozart_dds_next_100_firmwareall versions
dbbroadcastmozart_dds_next_100all versions
dbbroadcastmozart_dds_next_300_firmwareall versions
dbbroadcastmozart_dds_next_300all versions
dbbroadcastmozart_dds_next_500_firmwareall versions
dbbroadcastmozart_dds_next_500all versions
dbbroadcastmozart_dds_next_1000_firmwareall versions
dbbroadcastmozart_dds_next_1000all versions
dbbroadcastmozart_dds_next_2000_firmwareall versions
dbbroadcastmozart_dds_next_2000all versions
dbbroadcastmozart_dds_next_3000_firmwareall versions
dbbroadcastmozart_dds_next_3000all versions
dbbroadcastmozart_dds_next_3500_firmwareall versions
dbbroadcastmozart_dds_next_3500all versions

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-66255