PT-2025-48128 · Zephyrproject Rtos · Zephyr

Published 2025-11-26 · Updated 2025-12-01 · CVE-2025-9557

Positive Technologies (AI Summary)

CVSS v3.1

7.6

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Name of the Vulnerable Software and Affected Versions (affected versions not specified)

Description An out-of-bound write can lead to 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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2025-9557

GHSA-R3J3-C5V7-2PPF

Affected Products

Zephyr

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-9557 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9557 · Vendor Advisory
• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-r3j3-c5v7-2ppf · Note
• https://twitter.com/VulmonFeeds/status/1993606685668053407 · Twitter Post
• https://twitter.com/CVEnew/status/1993558231872950453 · Twitter Post
• https://twitter.com/cracbot/status/1995447842316734967 · Twitter Post
• https://t.me/CVEtracker/38278 · Telegram Post