What is CVE-2025-3543?

CVE-2025-3543 is a high-severity vulnerability in H3c Magic Nx15, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.0/10. Published 2025-04-14.

How severe is CVE-2025-3543?

High severity. CVSS v3 base score is 8.0 out of 10.

RCE in H3c Magic Nx15

CVE-2025-3543

A vulnerability has been found in H3C Magic NX15, Magic NX30 Pro, Magic NX400 and Magic R3010 up to V100R014 and classified as critical. This vulnerability affects the function FCGI_WizardProtoProcess of the file /api/wizard/setsyncpppoecfg of the component HTTP POST Request Handler. The manipulation leads to command injection. Access to the local network is required for this attack. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component.

EPSS: 0.012 (63.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

H3c Magic Nx15 — versions V100R014
H3c Magic Nx30 Pro — versions V100R014
H3c Magic Nx400 — versions V100R014
H3c Magic R3010 — versions V100R014

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)
cna@vuldb.com (related)
cna@vuldb.com (patch)

Frequently asked questions

What is CVE-2025-3543?: CVE-2025-3543 is a high-severity vulnerability in H3c Magic Nx15, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.0/10. Published 2025-04-14.
How severe is CVE-2025-3543?: High severity. CVSS v3 base score is 8.0 out of 10.