CVE-2025-21072: Samsung Mobile Devices · Out-of-bounds Write
Affects Samsung Mobile DevicesSource CVE Database V5
Not known to be exploited · CVSS 5.7 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 2 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
1. Apply the official Samsung Mobile security update (SMR Dec-2025 Release 1) as soon as it becomes available to address the vulnerability in the fingerprint trustlet. 2. Restrict and monitor local privileged access on Samsung Mobile devices to prevent unauthorized users or applications from gaining the necessary privileges to exploit this flaw. 3. Employ mobile device management (MDM) solutions to enforce strict access controls and privilege separation on corporate devices. 4. Monitor system logs and fingerprint authentication components for anomalous behavior indicative of exploitation attempts. 5. Educate users and administrators about the risks of installing untrusted applications or rooting devices, which could facilitate privilege escalation. 6. Consider disabling fingerprint authentication temporarily in high-risk environments until the patch is applied, if operationally feasible. 7. Maintain up-to-date backups and incident response plans to quickly recover from potential compromise scenarios linked to this vulnerability.
Description
Out-of-bounds write in decoding metadata in fingerprint trustlet prior to SMR Dec-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.