High severity7.4NVD Advisory· Published Aug 5, 2025· Updated Apr 15, 2026

CVE-2025-43979

Description

An issue was discovered on FIRSTNUM JC21A-04 devices through 2.01ME/FN that allows authenticated attackers to execute arbitrary OS system commands with root privileges via crafted payloads to the xml_action.cgi?method= endpoint.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/actuator/cve/blob/main/Firstnum/CVE-2025-43979.txtnvd
github.com/actuator/cve/tree/main/Firstnumnvd

News mentions

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cvss	0.481
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000