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CVE Tracker

CVE-2021-25489

Samsung Mobile Devices Improper Input Validation Vulnerability

IN CISA KEV

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.

Vendor
Samsung
Product
Mobile Devices
CVSS
No score recorded (no NVD record loaded for this entry)
Published
Not recorded
NVD modified
Not recorded

CISA KEV

Date added
2023-06-29
Due date
2023-07-20
Ransomware use
Unknown
Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

EPSS

0.53% chance of exploitation in the next 30 days (percentile 43rd)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.