P4Verified

CVE-2026-19577: zephyr 1.8.0 to before 4.5.0

CVE-2026-19577. CVSS 3.1 base score 7.1 (HIGH, Vendor/CNA).

Affected technology

zephyr · 1.8.0 to before 4.5.0
zephyrproject

Component: Not specified by the source
Function: net_route_ipv6_packet, net_route_packet
File: subsys/net/ip/route.c, subsys/net/ip/route_ipv6.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 7.1/10) rates confidentiality impact as low; integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 11-Oct-2026 23:39 UTC

CWE: CWE-125
CCR priority: 28.4 /100 (P4)
CVSS 3.1: 7.1 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-11 23:39:08.456424+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-19577.html