CVE-2025-59439

An issue was discovered in Samsung Mobile Processor, Wearable Processor and Modem Exynos 980, 990, 850, 1080, 9110, W920, W930, W1000 and Modem 5123. Incorrect handling of NAS Registration messages leads to a Denial of Service because of Improper Handling of Exceptional Conditions.

Published: 2026-02-03 Last update: 2026-02-05 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-59439 is rated Low Risk (31.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.02%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-59439

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-18 0.06% 0.02% -0.04%
2 2026-02-09 0.02% 0.06% +0.04%
3 2026-02-04 — 0.02% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-59439

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-59439

Affected software / configurations for CVE-2025-59439

Vendor Product Version Raw CPE
samsung exynos_990_firmware — cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:*
samsung exynos_980_firmware — cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*
samsung exynos_9110_firmware — cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*
samsung exynos_1080_firmware — cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*
samsung exynos_w930_firmware — cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:*
samsung exynos_w920_firmware — cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:*
samsung exynos_w1000_firmware — cpe:2.3:o:samsung:exynos_w1000_firmware:-:*:*:*:*:*:*:*
samsung exynos_modem_5123_firmware — cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*
samsung exynos_850_firmware — cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:*

References for CVE-2025-59439

cvelogic Threat Intelligence