CVE-2026-21137

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Path Traversal in Smart Switch Firmware

Publication date: 2026-10-12

Last updated on: 2026-10-14

Assigner: Samsung Mobile

Description

Path traversal in Smart Switch prior to version 3.7.73 allows physical attackers to access files with Smart Switch privilege.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-12

Last Modified

2026-10-14

Generated

2026-10-19

AI Q&A

2026-10-12

EPSS Evaluated

2026-10-18

NVD

CVE-2026-21137

EUVD

EUVD-2026-97201

Affected Vendors & Products

Vendor	Product	Version / Range
samsung	smart_switch	3.7.73

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-22	The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

Executive Summary

This vulnerability is a path traversal issue in Samsung Smart Switch software versions prior to 3.7.73. It allows an attacker with physical access to the device to access files that are normally restricted to the Smart Switch application's privileges.

Detection Guidance

This vulnerability involves path traversal in Smart Switch software prior to version 3.7.73. Detection requires checking the installed version of Smart Switch on affected systems. If the version is below 3.7.73, the system is vulnerable. No specific commands are provided in the context for detection.

Impact Analysis

An attacker could exploit this to read sensitive files on your device that should be protected. This might include personal data, application data, or other confidential information stored on the system.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, which may violate compliance requirements under GDPR or HIPAA. Organizations using affected versions may face legal and regulatory penalties due to potential data breaches.

Mitigation Strategies

Update Smart Switch to version 3.7.73 or later to address the path traversal vulnerability. Ensure physical access controls are in place to prevent unauthorized access to the system.

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