P4Verified

CVE-2026-19186: zephyr 3.2.0 through 4.4.2

CVE-2026-19186. CVSS 3.1 base score 8.1 (HIGH, Vendor/CNA).

Affected technology

zephyr · 3.2.0 through 4.4.2
zephyrproject

Component: Not specified by the source
Function: ieee802154_decipher_data_frame
File: subsys/net/l2/ieee802154/ieee802154_frame.c

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

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality impact as none; integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-07 11:52:02.003622+00:00

CWE: CWE-191, CWE-787
CCR priority: 32.4 /100 (P4)
CVSS 3.1: 8.1 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-07 11:49:32.540646+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-19186.html