CVE-2025-43980

Severity CVSS v4.0:

Pending analysis

Type:

CWE-284 Improper Access Control

Publication date:

05/08/2025

Last modified:

05/08/2025

Description

An issue was discovered on FIRSTNUM JC21A-04 devices through 2.01ME/FN. They enable the SSH service by default with the credentials of root/admin. The GUI doesn&#39;t offer a way to disable the account.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): Low

Base Score 3.x

6.50

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://github.com/actuator/cve/blob/main/Firstnum/CVE-2025-43980.txt
https://github.com/actuator/cve/tree/main/Firstnum