Out-of-Bounds Read Vulnerability in Zephyr RTOS by Zephyr Project
CVE-2025-1673

8.2HIGH

Key Information:

Vendor

Zephyrproject-rtos

Status
Zephyr
Vendor
CVE Published:
25 February 2025

What is CVE-2025-1673?

An issue in Zephyr RTOS allows for an out-of-bounds read triggered by a malicious or malformed DNS packet that lacks a payload. This can lead to a denial of service through unexpected crashes, or it may result in incorrect data handling. Users and administrators of affected versions should apply the latest patches to mitigate this vulnerability.

Affected Version(s)

Zephyr * <= 4.0

References

https://github.com/zephyrproject-rtos/zephyr/security/adv...

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.