What is CVE-2025-54330?

CVE-2025-54330 is a medium-severity vulnerability in Samsung Exynos 1380, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2025-11-04.

How severe is CVE-2025-54330?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Out-of-bounds Read in Samsung Exynos 1380

CVE-2025-54330

An issue was discovered in NPU in Samsung Mobile Processor Exynos 1380 through July 2025. There is an Out-of-bounds Read of q->bufs[] in the __is_done_for_me function.

Vulnerability class: Buffer Overflow

Published 2025-11-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

semiconductor.samsung.com/support/quality-support/product-security-updates/ (Vendor Advisory)
semiconductor.samsung.com/support/quality-support/product-security-updates/cve-… (Vendor Advisory)

Frequently asked questions

What is CVE-2025-54330?: CVE-2025-54330 is a medium-severity vulnerability in Samsung Exynos 1380, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2025-11-04.
How severe is CVE-2025-54330?: Medium severity. CVSS v3 base score is 5.3 out of 10.