What is CVE-2025-59440?

CVE-2025-59440 is a high-severity vulnerability in Samsung Exynos 1080, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-04-06.

How severe is CVE-2025-59440?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Samsung Exynos 1080

CVE-2025-59440

An issue was discovered in USIM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Improper handling of SIM card proactive commands leads to a Denial of Service.

Vulnerability class: DoS (Denial of Service)

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

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-2025-59440?: CVE-2025-59440 is a high-severity vulnerability in Samsung Exynos 1080, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-04-06.
How severe is CVE-2025-59440?: High severity. CVSS v3 base score is 7.5 out of 10.