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Samsung Exynos Processors Secure Boot Component Out-of-Bounds Write Vulnerability

Vulnerability

A high-severity vulnerability has been identified in the Secure Boot component of various Samsung Mobile and Wearable Processors, including Exynos 9820, 9825, 980, 990, 850, 1080, 1280, 2200, 1330, 1380, 1480, and 2400. The issue arises from a lack of proper length validation, leading to out-of-bounds write operations.

Impact

The vulnerability allows for out-of-bounds write operations, which can potentially be exploited to execute arbitrary code or cause a denial-of-service condition.

Added: Nov 4, 2025, 9:26 PM
Updated: Nov 4, 2025, 10:19 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
3.3
remediation
0.0
relevance
0.9
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.