What is CVE-2026-18814?

CVE-2026-18814 is a high-severity vulnerability in H3c Nx15, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.2/10. Published 2026-08-04.

How severe is CVE-2026-18814?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in H3c Nx15

CVE-2026-18814

A vulnerability was found in H3C NX15 V100R017. This impacts the function reload.reload_config of the file /api/esps. The manipulation results in command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

EPSS: 0.027 (85.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

H3c Nx15 — versions V100R017

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 (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-18814?: CVE-2026-18814 is a high-severity vulnerability in H3c Nx15, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.2/10. Published 2026-08-04.
How severe is CVE-2026-18814?: High severity. CVSS v3 base score is 7.2 out of 10.