CVE-2025-59440

Name: CVE-2025-59440
Creator: NVD / NIST
Published: 2026-04-06T18:16:40.937+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2025-59440 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.28%

19.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Samsung	Exynos 990 Firmware	All versions
Samsung	Exynos 980 Firmware	All versions
Samsung	Exynos 850 Firmware	All versions
Samsung	Exynos 1080 Firmware	All versions
Samsung	Exynos 1280 Firmware	All versions
Samsung	Exynos 1330 Firmware	All versions
Samsung	Exynos 1380 Firmware	All versions
Samsung	Exynos 1480 Firmware	All versions
Samsung	Exynos 1580 Firmware	All versions
Samsung	Exynos 2100 Firmware	All versions
Samsung	Exynos 2200 Firmware	All versions
Samsung	Exynos 2400 Firmware	All versions
Samsung	Exynos 2500 Firmware	All versions
Samsung	Exynos W930 Firmware	All versions
Samsung	Exynos W920 Firmware	All versions
Samsung	Exynos W1000 Firmware	All versions
Samsung	Exynos Modem 5400 Firmware	All versions
Samsung	Exynos Modem 5300 Firmware	All versions
Samsung	Exynos Modem 5123 Firmware	All versions
Samsung	Exynos 9110 Firmware	All versions

References

Timeline

Published: Apr 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-59440?

How severe is CVE-2025-59440?

CVE-2025-59440 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2025-59440?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-59440?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST