CVE-2025-43979

7.4 highEPSS 6.8%

High (7.4). EPSS 6.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.4 high

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 6.8% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2025-08-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/actuator/cve/blob/main/Firstnum/CVE-2025-43979.txt
https://github.com/actuator/cve/tree/main/Firstnum

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