What is CVE-2023-37366?

CVE-2023-37366 is a low-severity vulnerability in Samsung Exynos 850 Firmware, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 2.8/10. Published 2026-09-14.

How severe is CVE-2023-37366?

Low severity. CVSS v3 base score is 2.8 out of 10.

Is CVE-2023-37366 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Samsung Exynos 850 Firmware

CVE-2023-37366

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.

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.8 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L.

Affected products

Samsung Exynos 850 Firmware

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

N3vv/N3vv

References

Frequently asked questions

What is CVE-2023-37366?: CVE-2023-37366 is a low-severity vulnerability in Samsung Exynos 850 Firmware, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 2.8/10. Published 2026-09-14.
How severe is CVE-2023-37366?: Low severity. CVSS v3 base score is 2.8 out of 10.
Is CVE-2023-37366 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.