CVE-2025-20911

Name: CVE-2025-20911
Creator: NVD / NIST
Published: 2025-03-06T05:15:17.653+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2025-20911 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.4/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.13%

2.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Samsung	Wear Os	5.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=03Vendor Advisory

Timeline

Published: Mar 6, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is 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.

How severe is CVE-2025-20911?

CVE-2025-20911 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2025-20911?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-20911?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST