CVE-2023-5376 HIGH

CVE-2023-5376: TFTP Without Authentication

Vendor Korenix
Product JetNet Series
Weakness CWE-306 · Missing auth
Published January 9, 2024
Last update October 8, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

What the vulnerability does

01Description

An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.

Key dates

02Disclosure timeline

January 9, 2024 CVE published
October 8, 2025 Record updated