CVE-2026-10640: zephyr from 3.3.0 (inclusive), before 4.5.0 (exclusive), 3.3.0 to before 4.3.1, 4.4.0 to before 4.4.1

Affected technology

zephyr · from 3.3.0 (inclusive), before 4.5.0 (exclusive)
zephyrproject

zephyr · 3.3.0 to before 4.3.1, 4.4.0 to before 4.4.1
zephyrproject

Component: Not specified by the source
File: subsys/net/ip/ipv6_nbr.c

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

Attack conditions (NVD, 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 4.2/10) rates confidentiality impact as none; integrity and availability impact as low. NVD’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality impact as none; integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.