CVE-2025-27374: Medium severity Samsung Exynos vulnerability

Published Nov 4, 2025
·
Updated

An issue was discovered in the Secure Boot component in Samsung Mobile Processor and Wearable Processor Exynos 9820, 9825, 980, 990, 850, 1080, 1280, 2200, 1330, 1380, 1480, 2400. The lack of a length check leads to out-of-bounds writes.

Affected Software

23 affected components
Samsung Exynos>980<2400
All of the following
Samsung Exynos 9825 Firmware
Samsung Exynos 9825
All of the following
Samsung Exynos 9820 Firmware
Samsung Exynos 9820
All of the following
Samsung Exynos 980 Firmware
Samsung Exynos 980
All of the following
Samsung Exynos 850 Firmware
Samsung Exynos 850
All of the following
Samsung Exynos 2400 Firmware
Samsung Exynos 2400
All of the following
Samsung Exynos 1480 Firmware
Samsung Exynos 1480
All of the following
Samsung Exynos 1380 Firmware
Samsung Exynos 1380
All of the following
Samsung Exynos 1330 Firmware
Samsung Exynos 1330
All of the following
Samsung Exynos 2200 Firmware
Samsung Exynos 2200
All of the following
Samsung Exynos 1280 Firmware
Samsung Exynos 1280
All of the following
Samsung Exynos 1080 Firmware
Samsung Exynos 1080

Event History

Nov 4, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-27374?

The severity of CVE-2025-27374 has been categorized as high due to the potential for out-of-bounds writes affecting Secure Boot functionality.

2

How do I fix CVE-2025-27374?

To fix CVE-2025-27374, update your Samsung device to the latest firmware provided by Samsung addressing this vulnerability.

3

Which devices are affected by CVE-2025-27374?

CVE-2025-27374 affects various Samsung Mobile and Wearable Processors including Exynos 9820, 9825, 980, 990, and others up to version 2400.

4

What are the potential risks of CVE-2025-27374?

The risks of CVE-2025-27374 include possible unauthorized access to the device and compromise of Secure Boot integrity.

5

Has CVE-2025-27374 been exploited in the wild?

As of now, there are no public reports indicating that CVE-2025-27374 has been actively exploited in the wild.

Contact

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