---
id: CVE-2023-37366
title: >-
  An issue was discovered in Samsung Exynos Mobile Processor, Automotive
  Processor, and Modem Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos
  850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos
  1330, Exyn…
summary: >-
  An issue was discovered in Samsung Exynos Mobile Processor, Automotive
  Processor, and Modem Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos
  850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos
  1330, Exyn…
severity: low
cvss: 2.8
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L'
cwe:
  - CWE-835
vendor: Samsung
product: Exynos 850 firmware
affected:
  - exynos_850_firmware <= 2023-04-28
published: '2026-09-14'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:56:19.073'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-37366'
references:
  - url: >-
      https://semiconductor.samsung.com/support/quality-support/product-security-updates/
    label: cve@mitre.org
  - url: >-
      https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2023-37366/
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00091
epssPercentile: 0.00556
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-16T14:33:00.326559Z'
ingestedAt: '2026-09-14T15:23:07.465Z'
---

## Overview

An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos Modem 5123, Exynos Modem 5300, an Exynos Auto T5123. In the Shannon SM Task, improper handling of a loop with an unreachable exit condition cannot guarantee the termination of a required service via a malformed SM message.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.