CVE-2026-21004 PUBLISHED

Assigner: SamsungMobile
Reserved: 11.12.2025 Published: 16.03.2026 Updated: 16.03.2026

Improper authentication in Smart Switch prior to version 3.7.69.15 allows adjacent attackers to trigger a denial of service.

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Vendor	Samsung Mobile
Product	Smart Switch
Versions	Default: affected Version 3.7.69.15 is unaffected