Samsung Exynos 5G Baseband NR RRC null ptr deref CVE-2026-33970
CVE-2026-33970 Published on September 14, 2026

An issue was discovered in NR RRC and L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 1680, W920, W930, W1000, and Modem 5410. In the 5G baseband, a NULL Pointer Dereference occurs when processing a malformed RRC Reconfiguration message.

NVD

Vulnerability Analysis

CVE-2026-33970 is exploitable with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
LOW

Weakness Type

NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.


Products Associated with CVE-2026-33970

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Samsung Exynos 850 Firmware
 

Affected Versions

Samsung Exynos 850 firmware: