Samsung Smart Switch <3.7.73: No auth check, phys. attacker installs apps
CVE-2026-21138 Published on October 12, 2026
Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.
Vulnerability Analysis
CVE-2026-21138 is exploitable with physical access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Attack Vector:
PHYSICAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Affected Versions
Samsung Mobile Smart Switch:- Version 3.7.73 and below * is unaffected.