CVE-2021-25489

Timeline

Detection, updates, and resolution for this record.

1. Oct 6, 2021 · Catalog

   Detected

   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.

2. Jun 29, 2023 · CISA KEV

   Known exploited

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

3. Jul 20, 2023 · CISA KEV

   Remediation due

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

4. Jun 16, 2026 · Catalog

   Updated

   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.

Affected

• cpe samsung/android8.1
• cpe samsung/android9.0
• vendor Samsung Mobile Devicesversion unspecified

Sources

• CISA KEVCVE-2021-25489

  Samsung mobile devices contain an improper input validation vulnerability within the modem interface driver that results in a format string bug leading to kernel panic.

  cisa.gov
• CVE.orgCVE-2021-25489

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2021-25489

  30-day exploitation probability 0.5%

  first.org
• NIST NVDCVE-2021-25489

  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.

  nvd.nist.gov

References

• CISA note · nvd.nist.gov
• CISA note · security.samsungmobile.com
• US Government Resource · cisa.gov