CVE-2025-66366 - Vulnerability Details - OpenCVE

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Incorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Samsung Semiconductor	Exynos 1280 Exynos 1330 Exynos 1380 Exynos 1480 Exynos 1580 Exynos 2400 Exynos 2500 Exynos Modem 5300 Exynos Modem 5400 Exynos Modem 5410

No data.

No data.

References

Link	Providers
https://semiconductor.samsung.com/support/quality-support/product-security-updates/

History

Fri, 06 Nov 2026 22:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Samsung Semiconductor Samsung Semiconductor exynos 1280 Samsung Semiconductor exynos 1330 Samsung Semiconductor exynos 1380 Samsung Semiconductor exynos 1480 Samsung Semiconductor exynos 1580 Samsung Semiconductor exynos 2400 Samsung Semiconductor exynos 2500 Samsung Semiconductor exynos Modem 5300 Samsung Semiconductor exynos Modem 5400 Samsung Semiconductor exynos Modem 5410
Vendors & Products		Samsung Semiconductor Samsung Semiconductor exynos 1280 Samsung Semiconductor exynos 1330 Samsung Semiconductor exynos 1380 Samsung Semiconductor exynos 1480 Samsung Semiconductor exynos 1580 Samsung Semiconductor exynos 2400 Samsung Semiconductor exynos 2500 Samsung Semiconductor exynos Modem 5300 Samsung Semiconductor exynos Modem 5400 Samsung Semiconductor exynos Modem 5410

Thu, 05 Nov 2026 04:45:00 +0000

Type	Values Removed	Values Added
Title		Unauthenticated Downlink RRC Setup Message Crash in Samsung Exynos Baseband

Thu, 05 Nov 2026 02:45:00 +0000

Type	Values Removed	Values Added
Description		Incorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash
Weaknesses		CWE-129
References		https://semiconductor.samsung.com/support/quality-support/product-security-updates/

MITRE

Status: PUBLISHED

Assigner: samsungsemiconductor

Published: 2026-11-05T02:38:04.503Z

Updated: 2026-11-05T02:38:04.503Z

Reserved: 2025-11-28T00:15:21.913Z

Link: CVE-2025-66366

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2026-11-05T03:17:17.793

Modified: 2026-11-06T21:09:40.397

Link: CVE-2025-66366

Redhat

No data.

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