Cyber Resilience

CVE-2025-20753

Medium

Published: 02 December 2025

Published
02 December 2025
Modified
04 December 2025
KEV Added
—
Patch
—
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0011 29.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-20753 is a medium-severity Uncaught Exception (CWE-248) vulnerability in Mediatek Nr15. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 29.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In Modem, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges…

more

needed. User interaction is not needed for exploitation. Patch ID: MOLY01689252; Issue ID: MSV-4841.

CWE(s)
CWE-248

Related Threats

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

Affected Assets

mediatek
nr15
all versions
mediatek
nr16
all versions

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.

SC-24 Fail in Known State
addresses: CWE-248

Prevents abrupt termination from uncaught exceptions by requiring a defined, preserved-state failure mode.

SI-17 Fail-safe Procedures
addresses: CWE-248

Requires pre-defined safe responses for uncaught exceptions so they do not result in undefined or insecure program termination.

References