CVE-2026-21138

MEDIUM CVSS 4.0: 6.9 EPSS 0.10%
Updated Oct 12, 2026
Insufficient
Parameter Value
CVSS 6.9 (MEDIUM)
Affected Versions before 3.7.73
Type CWE-345: Insufficient Verification of Data Authenticity
Vendor Insufficient
Public PoC No

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

Attack Parameters

Attack Vector
Physical
Requires physical access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products

samsung mobile:smart switch