Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-21078

Severity CVSS v4.0:
MEDIUM
Type:
CWE-345 Insufficient Verification of Data Authenticity
Publication date:
10/08/2026
Last modified:
19/08/2026

Description

Insufficient verification of data authenticity in Smart Switch trouble scanning mode prior to version 3.7.72.6 allows adjacent attackers to spoof device identity.

Impact

Vector 4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:H/SI:H/SA:H CVSS v4.0 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:H/SI:H/SA:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): Active
Confidentiality (VC): Low
Integrity (VI): Low
Availability (VA): Low
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High

Base Score 4.0
4.70
Severity 4.0
MEDIUM
Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:samsung:smart_switch:*:*:*:*:*:*:*:* 3.7.72.6 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools