CVE-2025-43980
Medium
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't offer a way to disable the account.
SeverityMedium
CVSS6.5
Exploit probability—
ProductJC21A-04
PublishedAug 5, 2025
First seenAug 5, 2025
Weakness typeCWE-284Improper access control
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| FIRSTNUM JC21A-04 | v ≤ 2.01ME/FN | — |
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