VulnerabilityDeferred

CVE-2025-9557

‭An out-of-bound write can lead to an arbitrary code execution.

HIGH 7.6EPSS 0.21%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

‭An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to‬ ‭a crash and a resultant denial of service.‬

CVSS 3.1: 7.6 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS: 0.21% probability · 11th percentile
CISA KEV: Not listed
Weakness: CWE-120
Source: vulnerabilities@zephyrproject.org

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-r3j3-c5v7-2ppf

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.