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MEDIUM · 4.4

CVE-2025-20911

Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.

Vulnerability Description

Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.

CVSS Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
SamsungWear Os5.0
SamsungGalaxy Watch-
SamsungGalaxy Watch 4-
SamsungGalaxy Watch 4 Classic-
SamsungGalaxy Watch 5-
SamsungGalaxy Watch 5 Pro-
SamsungGalaxy Watch 6-
SamsungGalaxy Watch 6 Classic-
SamsungGalaxy Watch 7-
SamsungGalaxy Watch Fe-
SamsungGalaxy Watch Ultra-

References

FAQ

What is CVE-2025-20911?

CVE-2025-20911 is a vulnerability with a CVSS score of 4.4 (MEDIUM). Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.

How severe is CVE-2025-20911?

CVE-2025-20911 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-20911?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Wear Os, Samsung Galaxy Watch, Samsung Galaxy Watch 4, Samsung Galaxy Watch 4 Classic, Samsung Galaxy Watch 5.