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.
INFO
Published Date :
2026-01-30T05:34:19.703Z
Last Modified :
2026-01-30T14:47:21.249Z
Source :
zephyr
AFFECTED PRODUCTS
The following products are affected by CVE-2025-12899 vulnerability.
| Vendors | Products |
|---|---|
| Zephyrproject-rtos |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2025-12899.
CVSS Vulnerability Scoring System
Detailed values of each vector for above chart.
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Scope
Confidentiality Impact
Integrity Impact
Availability Impact