Cyber Resilience

CVE-2025-66252

HighPublic PoCDDoS

Published: 26 November 2025

Published
26 November 2025
Modified
03 December 2025
KEV Added
—
Patch
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CVSS Score v4 8.4 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/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
EPSS Score 0.0008 24.0th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-66252 is a high-severity Infinite Loop (CWE-835) vulnerability in Dbbroadcast Mozart Next 100 Firmware. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 24.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Infinite Loop Denial of Service via Failed File Deletion 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 Infinite loop when unlink() fails in…

more

status_contents.php causing DoS. Due to the fact that the unlink operation is done in a while loop; if an immutable file is specified or otherwise a file in which the process has no permissions to delete; it would repeatedly attempt to do in a loop.

CWE(s)
CWE-835

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

dbbroadcast
mozart next 100 firmware
all versions
dbbroadcast
mozart next 1000 firmware
all versions
dbbroadcast
mozart next 2000 firmware
all versions
dbbroadcast
mozart next 30 firmware
all versions
dbbroadcast
mozart next 300 firmware
all versions
dbbroadcast
mozart next 3000 firmware
all versions
dbbroadcast
mozart next 3500 firmware
all versions
dbbroadcast
mozart next 50 firmware
all versions
dbbroadcast
mozart next 500 firmware
all versions
dbbroadcast
mozart next 6000 firmware
all versions
+12 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CP-7 Alternate Processing Site
addresses: CWE-835

Enables transfer to alternate site if an infinite loop at the primary renders processing unavailable.

SC-5 Denial-of-service Protection
addresses: CWE-835

Detects and mitigates infinite loops that produce sustained resource consumption.

References