CVE-2025-58343: Medium severity Samsung Exynos 980 vulnerability

Published Feb 3, 2026
·
Updated

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/createtspec write operation, leading to kernel memory exhaustion.

Affected Software

33 affected components
Samsung Exynos 980
Samsung Exynos 850
Samsung Exynos 1080
Samsung Exynos 1280
Samsung Exynos 1330
Samsung Exynos 1380
Samsung Exynos 1480
Samsung Exynos 1580
Samsung W920
Samsung W930
Samsung W1000
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 1080 Firmware
Samsung Exynos 1080
All of the following
Samsung Exynos 1280 Firmware
Samsung Exynos 1280
All of the following
Samsung Exynos 1330 Firmware
Samsung Exynos 1330
All of the following
Samsung Exynos 1380 Firmware
Samsung Exynos 1380
All of the following
Samsung Exynos 1480 Firmware
Samsung Exynos 1480
All of the following
Samsung Exynos 1580 Firmware
Samsung Exynos 1580
All of the following
Samsung Exynos W920 Firmware
Samsung Exynos W920
All of the following
Samsung Exynos W930 Firmware
Samsung Exynos W930
All of the following
Samsung Exynos W1000 Firmware
Samsung Exynos W1000

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-2025-58343?

CVE-2025-58343 is classified as a medium severity vulnerability due to its potential impact on system resources.

2

How do I fix CVE-2025-58343?

To mitigate CVE-2025-58343, users should update their affected Samsung Exynos processors to the latest firmware versions that contain the security patch.

3

Which devices are affected by CVE-2025-58343?

CVE-2025-58343 affects devices utilizing Samsung Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000 processors.

4

What is the nature of the vulnerability in CVE-2025-58343?

CVE-2025-58343 involves unbounded memory allocation via a large buffer in the Wi-Fi driver, potentially leading to kernel memory issues.

5

Is there a workaround for CVE-2025-58343?

Currently, the best approach for CVE-2025-58343 is to apply available firmware updates rather than relying on workarounds.

Contact

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