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P4Verified

CVE-2025-7403: zephyr through 4.1.0 (inclusive); +1 more affected products

CVE-2025-7403. CVSS 3.1 base score 6.5 (MEDIUM, NVD). EPSS 0.00208 (percentile 0.10003), scored 12-Oct-2026.

Affected technology

zephyr · through 4.1.0 (inclusive)
zephyrproject

Zephyr · * to before 4.2.0
zephyrproject-rtos

Component: Not specified by the source

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

A attacker can trigger a use-after-free error. Vendor/CNA’s CVSS 3.1 assessment (base score 7.6/10) rates confidentiality and integrity impact as low; availability impact as high. NVD’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not state a further attacker outcome.

Published

CWE
CWE-123
CCR priority
26.1 /100 (P4)
CVSS 3.1
6.5 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS
0.00208 · percentile 0.10097 · 2026-10-13
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-7403.html