CVE-2026-21138

Physical Attack Allowed Arbitrary Application Installation via Smart Switch

Published Oct 12, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Samsung
Samsung smart Switch
Vendors & Products Samsung
Samsung smart Switch
Type Values Removed Values Added
Title Physical Attack Allowed Arbitrary Application Installation via Smart Switch
Weaknesses CWE-640
Type Values Removed Values Added
Description Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SamsungMobile
Published
Updated
Oct 15, 2026, 6:08 PM
Reserved
Dec 11, 2025, 1:33 AM
Status
Awaiting Analysis
Published
Oct 12, 2026, 5:17 AM
Modified
Oct 15, 2026, 7:17 PM