Samsung Smart Switch up to 3.7.72 data authenticity

Summaryinfo

A vulnerability described as problematic has been identified in Samsung Smart Switch up to 3.7.72. Affected by this vulnerability is an unknown functionality. Such manipulation leads to data authenticity. This vulnerability is traded as CVE-2026-21138. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Samsung Smart Switch up to 3.7.72. It has been rated as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a data authenticity vulnerability. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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

The advisory is available at security.samsungmobile.com. This vulnerability is handled as CVE-2026-21138 since 12/11/2025. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading to version 3.7.73 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Samsung

Name

• Smart Switch

Version

• 3.7.0
• 3.7.1
• 3.7.2
• 3.7.3
• 3.7.4
• 3.7.5
• 3.7.6
• 3.7.7
• 3.7.8
• 3.7.9
• 3.7.10
• 3.7.11
• 3.7.12
• 3.7.13
• 3.7.14
• 3.7.15
• 3.7.16
• 3.7.17
• 3.7.18
• 3.7.19
• 3.7.20
• 3.7.21
• 3.7.22
• 3.7.23
• 3.7.24
• 3.7.25
• 3.7.26
• 3.7.27
• 3.7.28
• 3.7.29
• 3.7.30
• 3.7.31
• 3.7.32
• 3.7.33
• 3.7.34
• 3.7.35
• 3.7.36
• 3.7.37
• 3.7.38
• 3.7.39
• 3.7.40
• 3.7.41
• 3.7.42
• 3.7.43
• 3.7.44
• 3.7.45
• 3.7.46
• 3.7.47
• 3.7.48
• 3.7.49
• 3.7.50
• 3.7.51
• 3.7.52
• 3.7.53
• 3.7.54
• 3.7.55
• 3.7.56
• 3.7.57
• 3.7.58
• 3.7.59
• 3.7.60
• 3.7.61
• 3.7.62
• 3.7.63
• 3.7.64
• 3.7.65
• 3.7.66
• 3.7.67
• 3.7.68
• 3.7.69
• 3.7.70
• 3.7.71
• 3.7.72

License

• commercial

Website

• Vendor: https://www.samsung.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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