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Samsung Exynos Processors Denial-of-Service Vulnerability via RRC Packet Handling

Vulnerability

A denial-of-service vulnerability has been identified in the L2 layer of various Samsung mobile processors, wearable processors, and modems, including the Exynos 980, 990, 850, 1080, 2400, 1580, 9110, W920, W930, Modem 5123, and Modem 5400. The issue arises from incorrect handling of RRC packets, which can lead to service disruption.

Impact

Exploitation of this vulnerability causes a denial-of-service condition, disrupting normal operation and availability of the affected component or service.

Added: Jan 5, 2026, 7:25 PM
Updated: Jan 5, 2026, 10:37 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
4.7
remediation
0.0
relevance
1.9
threat
0.0
urgency
2.9
incentive
0.8

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