CVE-2021-25489 LOW

CVE-2021-25489

Vendor Samsung Mobile
Product Samsung Mobile Devices
Weakness CWE-20 · Input validation
KEV Status Known Exploited
Published October 6, 2021
Last update October 21, 2025

CVSS base score

3.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.

CISA mandated remediation

02CISA Required Action

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Key dates

03Disclosure timeline

October 6, 2021 CVE published
October 21, 2025 Record updated