Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-25487

CVE-2021-25487HIGH

Samsung Mobile Devices

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  C  H  L  N    7.3   .0063   48.6   YES

AFFECTED
  Product                 Versions                            Fixed
  Samsung Mobile Devices  O(8.1), P(9.0), Q(10.0), R(11.0) –  —

TIMELINE
  Jan 19  Reserved by Samsung Mobile
  Oct 6   Published (CNA: Samsung Mobile)
  Jun 29  Added to CISA KEV, remediation due 2023-07-20

CWE-125 · CNA: Samsung Mobile · CVSS v3.1 · 2 references · KEV due July 20, 2023

Description

Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 19, 2021	Reserved	Reserved by Samsung Mobile
October 6, 2021	Published	Published (CNA: Samsung Mobile)
June 29, 2023	KEV ADDED	Added to CISA KEV, remediation due 2023-07-20

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Samsung Mobile	Samsung Mobile Devices	—	O(8.1), P(9.0), Q(10.0), R(11.0)	—

Weaknesses

CWE-125

References (2)

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 [x_refsource_MISC]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487 [government-resource]

Authoritative record: CVE-2021-25487 at cve.org

Vendors: samsung mobile

Weaknesses: CWE-125

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-25487 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.