SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

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.

MEDIUM 4.4EPSS 0.12%

Does this matter?

Lower severity and a low EPSS score (0.12%). Track it; it rarely justifies an emergency change on its own.

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 3.1
4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS
0.12% probability · 2th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
samsung/android
Source
mobile.security@samsung.com
EPSS trend
0%3%5%26 October 2026: 0.12%26 October 202626 October 2026

EPSS 0.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.