CVE-2025-53966: Buffer Overflow

Published Jan 5, 2026
·
Updated

An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580. Incorrect Handling of the NL80211 vendor command leads to a buffer overflow during handling of an IOCTL message.

Affected Software

12 affected components
Samsung Mobile Processor Exynos 1380
Samsung Mobile Processor Exynos 1480
Samsung Mobile Processor Exynos 2400
Samsung Mobile Processor Exynos 1580
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 2400 Firmware
Samsung Exynos 2400

Event History

Jan 5, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-53966?

CVE-2025-53966 has been classified as a high severity vulnerability due to its potential for exploitation through buffer overflow.

2

How do I fix CVE-2025-53966?

To mitigate CVE-2025-53966, it is recommended to apply the latest firmware update provided by Samsung for the affected Exynos processors.

3

What devices are affected by CVE-2025-53966?

CVE-2025-53966 affects Samsung Mobile Processor Exynos 1380, 1480, 2400, and 1580 models.

4

What type of vulnerability is CVE-2025-53966?

CVE-2025-53966 is a buffer overflow vulnerability caused by incorrect handling of the NL80211 vendor command.

5

Is CVE-2025-53966 actively being exploited?

As of now, there is no publicly available information confirming active exploitation of CVE-2025-53966.

Contact

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