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CVE-2025-66253

CRITICAL Exploitation: PoC
9.9
CVSS 4.0
Description
Unauthenticated OS Command Injection (start_upgrade.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 User input passed directly to exec() allows remote code execution via start_upgrade.php. The `/var/tdf/start_upgrade.php` endpoint passes user-controlled `$_GET["filename"]` directly into `exec()` without sanitization or shell escaping. Attackers can inject arbitrary shell commands using metacharacters (`;`, `|`, etc.) to achieve remote code execution as the web server user (likely root).

Metadata

CVE ID
CVE-2025-66253
State
PUBLISHED
Assigner
Gridware
Reserved
2025-11-26 00:21 UTC
Published
2025-11-26 00:36 UTC
Last updated
2025-12-03 15:55 UTC
Primary CWE
CWE-78
CWE-78 Unauthenticated OS Command Injection (start_upgrade.p…
Vendor / Product
DB Electronica Telecomunicazioni S.p.A. / Mozart FM Transmitter
Sources
cve.org  ·  NVD

Severity & Metrics

9.9 CRITICAL CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter — 30, 50, 100, 300 …
Weakness (CWE)
CWESourceDescription
CWE-78 cna CWE-78 Unauthenticated OS Command Injection (start_upgrade.php)
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.9 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
References (1)
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