CVE-2021-25489: Samsung Mobile Devices Improper Input Validation Vulnerability
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.
Published Oct 6, 2021 · Updated Jun 17, 2026
Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Advisory details
From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.
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.
References
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
More Samsung vulnerabilities
All Samsung entriesCVE-2025-21042
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
critical9.8ExploitedSep 12, 2025CVE-2025-21043
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
critical9.8ExploitedSep 12, 2025CVE-2025-4632
Samsung MagicINFO 9 Server Path Traversal Vulnerability
critical9.8ExploitedMay 13, 2025CVE-2024-7399
Samsung MagicINFO 9 Server Path Traversal Vulnerability
critical9.8ExploitedAug 12, 2024CVE-2023-21492
Samsung Mobile Devices Insertion of Sensitive Information Into Log File Vulnerability
medium4.4ExploitedMay 4, 2023CVE-2022-22265
Samsung Mobile Devices Use-After-Free Vulnerability
high7.8ExploitedJan 10, 2022
