Medium severity · published Nov 5, 2025
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
4.4
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Samsung Mobile Devices · Samsung Mobile
All versions, or not specified · source: vendor
AN
Android · Samsung
13.0; 13.0; 13.0; 13.0; 13.0; 13.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-21071
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-21071
Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=11
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