Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2025-1675

CVE-2025-1675CRITICAL

zephyrproject-rtos Zephyr — Out of bounds read in dns_copy_qname

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  N  H    9.1   .0039   31.1     —

AFFECTED
  Product  Versions     Fixed
  Zephyr   unspecified  —

TIMELINE
  Feb 25  Reserved by zephyr
  Feb 25  Published (CNA: zephyr)
  Oct 13  RESCORED — CVE-2025-1675 (zephyrproject-rtos Zephyr). CVSS 8.2 → 9.1 (NVD).

CWE-125 · CNA: zephyr · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
February 25, 2025	Reserved	Reserved by zephyr
February 25, 2025	Published	Published (CNA: zephyr)
October 13, 2026	RESCORED	RESCORED — CVE-2025-1675 (zephyrproject-rtos Zephyr). CVSS 8.2 → 9.1 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
zephyrproject-rtos	Zephyr	—	—	—

Weaknesses

CWE-125

References (1)

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2m84-5hfw-m8v4 [Patch, Vendor Advisory]

Authoritative record: CVE-2025-1675 at cve.org

Vendors: zephyrproject-rtos

Weaknesses: CWE-125

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-1675 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 Monday, October 19, 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.