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Smart Switch CVE-2026-21005

| EUVDEUVD-2026-12325 HIGH
Path Traversal (CWE-22)
2026-03-16 SamsungMobile
7.1
CVSS 4.0 · NVD
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Adjacent attacker crafts malicious path traversal input
  2. Exploit
    Smart Switch processes request with user interaction
  3. Execution
    Arbitrary file overwrite with elevated privileges
  4. Impact
    System compromise via modified configuration or binaries

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Smart Switch prior to version 3.7.69.15 must be installed. Attacker must be adjacent (local network) to the target system. User interaction required to trigger the vulnerable path traversal function.

Impact

CVSS 7.1. EPSS 0.0%. No patch confirmed.

Exploit ScenarioDerived

An attacker could manipulate file path parameters in Smart Switch to read or write files outside the intended directory, potentially accessing sensitive configuration or credentials.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

A path traversal vulnerability in Smart Switch (CVSS 7.1) that allows adjacent attackers. High severity vulnerability requiring prompt remediation.

Earlier versions of this analysis (1)
v1 Mar 16, 2026 - 05:00 CVSS 7.1

Path traversal in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to overwrite arbitrary files with Smart Switch privilege.

RemediationAI

Monitor vendor channels for patch availability.

Affected VersionsENISA

Smart Switch patch: 3.7.69.15

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

Vulnerability type: path traversal. CVSS 7.1 indicates high severity. Affects Smart Switch.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.1 HIGH
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

Path traversal in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to overwrite arbitrary files with Smart Switch privilege.

Executive ViewAI

Why It Matters

Samsung Smart Switch contains a path traversal vulnerability allowing network-adjacent attackers to overwrite arbitrary files without authentication, potentially compromising system integrity and enabling malicious code injection. Organizations using Smart Switch versions prior to 3.7.69.15 face immediate risk of data corruption and system compromise, with no available patch currently forcing reliance on interim controls.

Business Impact: High
Compensating Controls

Network segmentation: restrict Smart Switch communications to trusted internal networks only; disable or uninstall Smart Switch on non-critical systems; implement file integrity monitoring (FIM) on system directories to detect unauthorized writes; configure firewall rules to block Smart Switch traffic from untrusted sources; maintain frequent system backups to enable rapid recovery from file corruption; monitor for suspicious file modification activities in system directories. No vendor patch available—prioritize vendor remediation tracking.

Threat Intelligence Overview

EPSS Score
0.0%
Top 95% exploitable
Data Quality
4 sources
Confidence: Medium

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 0.0%
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
Controlled
Automatable· derived
No
Human Impact
High

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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