What is the CVSS score of CVE-2025-66363?

CVE-2025-66363 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2025-66363?

Within 24 hours: Identify and inventory all Samsung devices using Exynos 2200 processors in your environment. Within 7 days: Disable LBS functionality on affected devices via MDM if business-critical, and communicate risk to device users. Within 30 days: Monitor Samsung security advisories for patches, prepare deployment procedures, and evaluate whether to restrict affected devices from handling sensitive location data pending remediation.

Exynos 2200 Firmware CVE-2025-66363

HIGH

Improper Initialization (CWE-665)

2026-03-03 cve@mitre.org

Samsung Exynos 2200 Firmware

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-665 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Proper initialization
Impact	CVSS 7.5 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

An issue was discovered in LBS in Samsung Mobile Processor Exynos 2200. There was no check for memory initialization within DL NAS Transport messages. [CVSS 7.5 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

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

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionCVE.org

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

Executive ViewAI

Why It Matters

Samsung Exynos 2200 mobile processors contain a memory initialization flaw in LBS (Location-Based Services) that could be exploited to access sensitive data or cause device instability. This affects organizations deploying Samsung devices with this processor across their mobile workforce, potentially exposing location data and personal information.

Business Impact: High

Compensating Controls

Disable Location-Based Services on affected devices via Mobile Device Management (MDM) if not operationally required. Restrict affected devices from accessing sensitive internal networks or handling classified information. Implement enhanced monitoring of location data access patterns. Segment affected devices to isolated network zones. Disable background location tracking at OS level.

Threat Intelligence Overview

EPSS Score

0.1%

Top 82% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Affected Products (CPE)CVE.org

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

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References

Advisories & patches

ADVISORY https://semiconductor.samsung.com/support/quality-support/product-security-updates/ ADVISORY https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-66363/

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

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