CVE-2025-66254
Unauthenticated Arbitrary File Deletion (upgrade_contents.php)
Unauthenticated Arbitrary File Deletion (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 The deleteupgrade parameter allows unauthenticated deletion of arbitrary files.
The deleteupgrade parameter in /var/www/upgrade_contents.php allows unauthenticated deletion of arbitrary files in /var/www/upload/ without any extension restriction or path sanitization, enabling attackers to remove critical system files.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Unauthenticated Arbitrary File Deletion (upgrade_contents.php)
Unauthenticated Arbitrary File Deletion (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 The deleteupgrade parameter allows unauthenticated deletion of arbitrary files.
The deleteupgrade parameter in /var/www/upgrade_contents.php allows unauthenticated deletion of arbitrary files in /var/www/upload/ without any extension restriction or path sanitization, enabling attackers to remove critical system files.
- Record
CVE-2025-66254- CVSS 4.0
- 7.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:H/SA:H - Weakness
- CWE-73
- Updated
- 2026-11-02
EUVDEUVD-2025-199678
Unauthenticated Arbitrary File Deletion (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 The deleteupgrade parameter allows unauthenticated deletion of arbitrary files.
The deleteupgrade parameter in /var/www/upgrade_contents.php allows unauthenticated deletion of arbitrary files in /var/www/upload/ without any extension restriction or path sanitization, enabling attackers to remove critical system files.
- Record
EUVD-2025-199678- CVSS 4.0
- 7.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:H/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x997-vvm5-qvcr
Unauthenticated Arbitrary File Deletion (upgrade_contents.php) in DB Electronica...
Unauthenticated Arbitrary File Deletion (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 The deleteupgrade parameter allows unauthenticated deletion of arbitrary files.
The deleteupgrade parameter in /var/www/upgrade_contents.php allows unauthenticated deletion of arbitrary files in /var/www/upload/ without any extension restriction or path sanitization, enabling attackers to remove critical system files.
- Record
GHSA-x997-vvm5-qvcr- CVSS 4.0
- 7.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:H/SA:H/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 - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-73
- Updated
- 2026-11-02
NVD
Unauthenticated Arbitrary File Deletion (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 The deleteupgrade parameter allows unauthenticated deletion of arbitrary files.
The deleteupgrade parameter in /var/www/upgrade_contents.php allows unauthenticated deletion of arbitrary files in /var/www/upload/ without any extension restriction or path sanitization, enabling attackers to remove critical system files.
- Record
CVE-2025-66254- CVSS 4.0
- 7.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:H/SA:H/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 - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-73
- Updated
- 2026-11-02
Affected products
- db electronica telecomunicazioni s.p.a. mozart fm transmitter
- dbbroadcast mozart dds next 1000 firmware
- dbbroadcast mozart dds next 100 firmware
- dbbroadcast mozart dds next 2000 firmware
- dbbroadcast mozart dds next 3000 firmware
- dbbroadcast mozart dds next 300 firmware
- dbbroadcast mozart dds next 30 firmware
- dbbroadcast mozart dds next 3500 firmware
- dbbroadcast mozart dds next 500 firmware
- dbbroadcast mozart dds next 50 firmware
- dbbroadcast mozart dds next 6000 firmware
- dbbroadcast mozart dds next 7000 firmware
Show 11 moreShow less
- dbbroadcast mozart next 1000 firmware
- dbbroadcast mozart next 100 firmware
- dbbroadcast mozart next 2000 firmware
- dbbroadcast mozart next 3000 firmware
- dbbroadcast mozart next 300 firmware
- dbbroadcast mozart next 30 firmware
- dbbroadcast mozart next 3500 firmware
- dbbroadcast mozart next 500 firmware
- dbbroadcast mozart next 50 firmware
- dbbroadcast mozart next 6000 firmware
- dbbroadcast mozart next 7000 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-66254 is a high vulnerability (CVSS 7.8) in Db Electronica Telecomunicazioni S.p.a. Mozart Fm Transmitter, published November 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.