CVE-2026-33969

NAS Authentication Request Decoding Infinite Loop Causes Denial of Service on Exynos Processors

Published Nov 5, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
In the NAS Authentication Request message decoding procedure, a missing lower bound check causes an infinite loop, leading to Denial of Service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
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Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

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First Time appeared Samsung Semiconductor
Samsung Semiconductor exynos 1280
Samsung Semiconductor exynos 1330
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Samsung Semiconductor exynos 2100
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Samsung Semiconductor exynos 850
Samsung Semiconductor exynos 9110
Samsung Semiconductor exynos Modem 5123
Samsung Semiconductor exynos Modem 5300
Samsung Semiconductor exynos Modem 5400
Samsung Semiconductor exynos Modem 5410
Samsung Semiconductor exynos W1000
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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 1680
Samsung Semiconductor exynos 2100
Samsung Semiconductor exynos 2200
Samsung Semiconductor exynos 2400
Samsung Semiconductor exynos 2500
Samsung Semiconductor exynos 850
Samsung Semiconductor exynos 9110
Samsung Semiconductor exynos Modem 5123
Samsung Semiconductor exynos Modem 5300
Samsung Semiconductor exynos Modem 5400
Samsung Semiconductor exynos Modem 5410
Samsung Semiconductor exynos W1000
Samsung Semiconductor exynos W920
Samsung Semiconductor exynos W930
Type Values Removed Values Added
Title NAS Authentication Request Decoding Infinite Loop Causes Denial of Service on Exynos Processors
Type Values Removed Values Added
Description In the NAS Authentication Request message decoding procedure, a missing lower bound check causes an infinite loop, leading to Denial of Service.
Weaknesses CWE-835
References