CVE-2025-43979

CVSS 7.4 HIGHEPSS 5.0%CWE-78

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.4EPSS 5.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

05 Aug 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

n/a · n/a

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References

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