HOMEVULNERABILITIESCVE-2025-59440
HIGH

CVE-2025-59440

Published: April 6, 2026· Updated: Apr 7, 2026

7.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.8th

Official 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.

NVD Source

Technical Analysis

CVE-2025-59440 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Samsung40 products
exynos 990 firmwareexynos 990exynos 980 firmwareexynos 980exynos 850 firmwareexynos 850exynos 1080 firmwareexynos 1080exynos 1280 firmwareexynos 1280exynos 1330 firmwareexynos 1330+28 more
Source: NVD CPE · 40 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://semiconductor.samsung.com/support/quality-support/product-security-updates/
ADVISORYhttps://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-59440/

All References (2)

→
https://semiconductor.samsung.com/support/quality-support/product-security-updates/Vendor Advisory
→
https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-59440/Vendor Advisory

Quick Facts

CVE IDCVE-2025-59440
CVSS Score7.5 / 10
SeverityHIGH
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedApr 6, 2026

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-59440 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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