Samsung NAS Auth Req Decode DoS via Missing Bounds Check
CVE-2026-33969 Published on November 5, 2026

In the NAS Authentication Request message decoding procedure, a missing lower bound check causes an infinite loop, leading to Denial of Service.

NVD

Vulnerability Analysis

CVE-2026-33969 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Exploitation:
NONE
Automatable:
YES
Technical Impact:
PARTIAL
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is an Infinite Loop Vulnerability?

The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.

CVE-2026-33969 has been classified to as an Infinite Loop vulnerability or weakness.


Products Associated with CVE-2026-33969

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Samsung Exynos

Affected Versions

Samsung Semiconductor Exynos 850: Samsung Semiconductor Exynos 2100: Samsung Semiconductor Exynos 1280: Samsung Semiconductor Exynos 2200: Samsung Semiconductor Exynos 1330: Samsung Semiconductor Exynos 1380: Samsung Semiconductor Exynos 1480: Samsung Semiconductor Exynos 2400: Samsung Semiconductor Exynos 1580: Samsung Semiconductor Exynos 2500: Samsung Semiconductor Exynos 1680: Samsung Semiconductor Exynos 9110: Samsung Semiconductor Exynos W920: Samsung Semiconductor Exynos W930: Samsung Semiconductor Exynos W1000: Samsung Semiconductor Exynos Modem 5123: Samsung Semiconductor Exynos Modem 5300: Samsung Semiconductor Exynos Modem 5400: Samsung Semiconductor Exynos Modem 5410: