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CVE-2026-7656: zephyr through 4.4.1 (inclusive), 1.14.0 to before 4.3.1, 4.4.0 to before 4.4.1
CVE-2026-7656. CVSS 3.1 base score 6.8 (MEDIUM, NVD). EPSS 0.00329 (percentile 0.24334), scored 14-Oct-2026.
Affected technology
zephyr · through 4.4.1 (inclusive)
zephyrproject
zephyr · 1.14.0 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
The source reports that an attacker could disrupt service. Vendor/CNA’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality impact as none; integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 6.8/10) rates confidentiality impact as none; integrity and availability impact as high.
- CWE
- CWE-290, CWE-670
- CCR priority
- 27.3 /100 (P4)
- CVSS 3.1
- 6.8 /10 · CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H · NVD
- EPSS
- 0.00329 · percentile 0.24334 · 2026-10-14
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 23:47:27.763190+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-7656.html