CVE-2026-33970

NULL Pointer Dereference in 5G Baseband RRC Reconfiguration Handling

Published Sep 14, 2026 CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title NULL Pointer Dereference in 5G Baseband RRC Reconfiguration Handling
Type Values Removed Values Added
Title Null Pointer Dereference in 5G Baseband NR RRC Reconfiguration on Samsung Exynos 850 Firmware
Type Values Removed Values Added
Title Null Pointer Dereference in 5G Baseband NR RRC Reconfiguration on Samsung Exynos 850 Firmware
Type Values Removed Values Added
Description 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.
First Time appeared Samsung
Samsung exynos 850 Firmware
Weaknesses CWE-476
CPEs cpe:2.3:a:samsung:exynos_850_firmware:*:*:*:*:*:*:*:*
Vendors & Products Samsung
Samsung exynos 850 Firmware
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 16, 2026, 2:29 PM
Reserved
Mar 24, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Sep 14, 2026, 3:16 AM
Modified
Sep 22, 2026, 7:56 PM