P4Verified

CVE-2025-12899: Zephyr * to before 3.7.2, 4.0.0 to before 4.2.2

CVE-2025-12899. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.00339 (percentile 0.25411), scored 12-Oct-2026.

Affected technology

Zephyr · * to before 3.7.2, 4.0.0 to before 4.2.2
zephyrproject-rtos

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and availability impact as low; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 14-Oct-2026 05:22 UTC

CWE: CWE-843
CCR priority: 26.1 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L · Vendor/CNA
EPSS: 0.00339 · percentile 0.25505 · 2026-10-13
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-14 05:24:14.258005+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-14 05:19:44.455882+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-12899.html