What is the CVSS score of CVE-2025-53966?

CVE-2025-53966 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Exynos 1380 Firmware are affected by CVE-2025-53966?

CVE-2025-53966 presents notable security risk, a buffer overflow vulnerability rated CVSS 8.4.

How to fix or mitigate CVE-2025-53966?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Exynos 1380 Firmware CVE-2025-53966

HIGH

Classic Buffer Overflow (CWE-120)

2026-01-05 cve@mitre.org

Buffer Overflow Samsung Exynos 1380 Firmware Exynos 1480 Firmware Exynos 1580 Firmware Exynos 2400 Firmware

8.4

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 05, 2026 - 19:15 nvd

HIGH 8.4

DescriptionNVD

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.

AnalysisAI

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. [CVSS 8.4 HIGH]

Technical ContextAI

Classified as CWE-120 (Classic Buffer Overflow). Affects Exynos 1380 Firmware. 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.