CVE-2025-21071

Name: CVE-2025-21071
Creator: NVD / NIST
Published: 2025-11-05T06:15:33.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2025-21071 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Out-of-bounds write in handling opcode in fingerprint trustlet prior to SMR Nov-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

Out-of-bounds write in handling opcode in fingerprint trustlet prior to SMR Nov-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.

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

0.10%

1.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Samsung	Android	13.0
Samsung	Android	14.0
Samsung	Android	15.0
Samsung	Android	16.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=11Vendor Advisory

Timeline

Published: Nov 5, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-21071?

Out-of-bounds write in handling opcode in fingerprint trustlet prior to SMR Nov-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.

How severe is CVE-2025-21071?

CVE-2025-21071 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21071?

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-2025-21071?

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

Scan your code now

Source: NVD / NIST