CVE-2025-59439: High severity Samsung Exynos 980 vulnerability

Published Feb 3, 2026
·
Updated

An issue was discovered in Samsung Mobile Processor, Wearable Processor and Modem Exynos 980, 990, 850, 1080, 9110, W920, W930, W1000 and Modem 5123. Incorrect handling of NAS Registration messages leads to a Denial of Service because of Improper Handling of Exceptional Conditions.

Affected Software

28 affected components
Samsung Exynos 980=980
Samsung Exynos 990=990
Samsung Exynos 850=850
Samsung Exynos 1080=1080
Samsung Exynos 9110=9110
Samsung W920=W920
Samsung W930=W930
Samsung W1000=W1000
Samsung Modem 5123=5123
Samsung Exynos Modem<=2025-08-29
All of the following
Samsung Exynos 990 Firmware
Samsung Exynos 990
All of the following
Samsung Exynos 980 Firmware
Samsung Exynos 980
All of the following
Samsung Exynos 9110 Firmware
Samsung Exynos 9110
All of the following
Samsung Exynos 1080 Firmware
Samsung Exynos 1080
All of the following
Samsung Exynos W930 Firmware
Samsung Exynos W930
All of the following
Samsung Exynos W920 Firmware
Samsung Exynos W920
All of the following
Samsung Exynos W1000 Firmware
Samsung Exynos W1000
All of the following
Samsung Exynos Modem 5123 Firmware
Samsung Exynos Modem 5123
All of the following
Samsung Exynos 850 Firmware
Samsung Exynos 850

Event History

Feb 3, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-59439?

The severity of CVE-2025-59439 is categorized as high due to its potential to cause Denial of Service.

2

How do I fix CVE-2025-59439?

To fix CVE-2025-59439, update your Samsung device firmware to the latest version provided by Samsung.

3

What products are affected by CVE-2025-59439?

CVE-2025-59439 affects the Samsung Exynos 980, 990, 850, 1080, 9110, W920, W930, W1000, and Modem 5123.

4

Can CVE-2025-59439 lead to data breaches?

CVE-2025-59439 primarily leads to Denial of Service, rather than direct data breaches.

5

Is there a workaround for CVE-2025-59439?

Currently, the recommended resolution for CVE-2025-59439 is to apply the firmware update, as there are no known effective workarounds.

Contact

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