CVE-2026-21138: Medium severity Samsung Smart Switch vulnerability

Published Oct 12, 2026
·
Updated

Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

Affected Software

1 affected component
Samsung Smart Switch<3.7.73

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Smart Switch to a version that resolves this vulnerability.

    Fixed in 3.7.73

Event History

Oct 12, 2026
CVE Published
via MITRE·04:57 AM
Data Sourced
via MITRE·04:57 AM
DescriptionWeakness
Data Sourced
via NVD·05:17 AM
DescriptionSeverity

Frequently Asked Questions

1

Who is realistically exposed to exploitation?

Devices using Samsung Smart Switch versions earlier than 3.7.73 are exposed when an attacker has physical access. The vulnerability does not require prior privileges or user interaction according to the provided CVSS vector.

2

What does an attacker need to exploit this issue?

An attacker needs physical access to the affected environment. Exploitation is rated low complexity and can result in installation of arbitrary applications.

3

How can I determine whether I am affected?

Check the installed Samsung Smart Switch version. Versions prior to 3.7.73 are affected; version 3.7.73 or later is not identified as affected by the provided information.

Contact

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