VULNERABILITY INTELLIGENCE
CVE-2025-12899
CVSS score6.5 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-01-30
Last modified2026-10-13
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Description
A flaw in Zephyr’s network stack allows an IPv4 packet containing ICMP type 128 to be misclassified as an ICMPv6 Echo Request. This results in an out-of-bounds memory read and creates a potential information-leak vulnerability in the networking subsystem.
Weakness classification
- vulnerabilities@zephyrproject.org: CWE-843