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Samsung Exynos Processors Denial-of-Service Vulnerability via Improper SIM Card Command Handling

Vulnerability

A denial-of-service vulnerability has been identified in the USIM component of various Samsung mobile and wearable processors, as well as certain modem versions. The issue arises from improper handling of proactive commands from SIM cards, which can lead to service disruptions.

Impact

Exploitation of this vulnerability causes a denial-of-service condition, leading to baseband crashes and system unavailability.

Added: Apr 6, 2026, 6:34 PM
Updated: Apr 6, 2026, 6:34 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
3.3
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.