CVE-2025-66369

HIGH

Samsung Exynos MM - Denial of Service via 5G NR NAS Registration Accept Message Handling

Title source: llm
STIX 2.1

Description

An issue was discovered in MM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, W920, W930, W1000, Modem 5123, and Modem 5300. Incorrect handling of 5G NR NAS registration accept messages leads to a Denial of Service.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0034
EPSS Percentile 26.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Published May 05, 2026
Tracked Since May 05, 2026