How severe is CVE-2025-66363?

CVE-2025-66363 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-66363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66363?

CVE-2025-66363 affects Samsung Exynos 2200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-66363?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-66363 have an EU (EUVD) identifier?

Yes. CVE-2025-66363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208236.

When was CVE-2025-66363 published?

CVE-2025-66363 was published on 2026-03-03 and last updated on 2026-06-17.

CVE-2025-66363

CVE-2025-66363 is a high-severity vulnerability in Samsung Exynos 2200 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-665.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208236
Weakness: CWE-665
Affected product: Samsung Exynos 2200 Firmware
Published: 2026-03-03
Last modified: 2026-06-17

Description

An issue was discovered in LBS in Samsung Mobile Processor Exynos 2200. There was no check for memory initialization within DL NAS Transport messages.

Frequently asked questions

What is CVE-2025-66363?: An issue was discovered in LBS in Samsung Mobile Processor Exynos 2200. There was no check for memory initialization within DL NAS Transport messages.
How severe is CVE-2025-66363?: CVE-2025-66363 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-66363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66363?: CVE-2025-66363 affects Samsung Exynos 2200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-66363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-66363 have an EU (EUVD) identifier?: Yes. CVE-2025-66363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208236.
When was CVE-2025-66363 published?: CVE-2025-66363 was published on 2026-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*

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