CVE-2025-43979 – FIRSTNUM JC21A-04 Command Injection Vulnerability

The following table lists the changes that have been made to the
CVE-2025-43979 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 05, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://github.com/actuator/cve/blob/main/Firstnum/CVE-2025-43979.txt
    Added Reference https://github.com/actuator/cve/tree/main/Firstnum
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