Unrated severityNVD Advisory· Published Aug 6, 2025· Updated Feb 26, 2026

CVE-2025-21021

Description

Out-of-bounds write in drawing pinpad in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory.

Affected products

Blockchain Keystore/Blockchain Keystorellm-create
Range: <1.3.17.2
Samsung Mobile/Blockchain Keystorev5
Range: 1.3.17.2

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

security.samsungmobile.com/serviceWeb.smsbmitre

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000