What is CVE-2025-43980?

CVE-2025-43980 is a medium-severity vulnerability in N/a, classified under Improper Access Control. CVSS score: 6.5/10. Published 2025-08-05.

How severe is CVE-2025-43980?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2025-43980 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in N/a

CVE-2025-43980

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't offer a way to disable the account.

EPSS: 0.002 (15.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

actuator/cve

References

Frequently asked questions

What is CVE-2025-43980?: CVE-2025-43980 is a medium-severity vulnerability in N/a, classified under Improper Access Control. CVSS score: 6.5/10. Published 2025-08-05.
How severe is CVE-2025-43980?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-43980 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.