Cyber Resilience

CVE-2025-20758

Medium

Published: 02 December 2025

Published
02 December 2025
Modified
03 December 2025
KEV Added
—
Patch
—
CVSS Score v3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0015 35.9th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-20758 is a medium-severity Uncaught Exception (CWE-248) vulnerability in Mediatek Nr15. Its CVSS base score is 4.9 (Medium).

Operationally, ranked at the 35.9th 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: MOLY01673755; Issue ID: MSV-4647.

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
mediatek
nr17
all versions
mediatek
nr17r
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