CVE-2025-59440: An issue was discovered in USIM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080…
CVE-2025-59440 · Severity: high · CVSS 7.5 · Published 2026-04-06
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-59440 being exploited in the wild.
How severe is CVE-2025-59440?
High severity, with a CVSS score of 7.5, published 6 April 2026.
Which products and versions are affected?
Samsung Exynos 1080, Samsung Exynos 1080 Firmware, Samsung Exynos 1280, Samsung Exynos 1280 Firmware and 36 more. The advisory does not name versions.
Is there a fix for CVE-2025-59440?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-59440?
Check whether you run Samsung Exynos 1080, Samsung Exynos 1080 Firmware, Samsung Exynos 1280 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.