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Samsung Exynos Processors and Modems Denial-of-Service Vulnerability via DL NAS Transport Packet

Vulnerability

A denial-of-service vulnerability has been identified in several Samsung Exynos processors and modems, including the Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. The issue arises from incorrect handling of a DL NAS Transport packet, which can lead to baseband crashes.

Impact

Exploitation of this vulnerability causes a baseband crash, leading to a denial-of-service condition.

Added: Apr 6, 2026, 7:21 PM
Updated: Apr 6, 2026, 7:21 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
4.7
remediation
0.0
relevance
5.4
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.