CVE-2026-18900

HIGH

H3C NX15 Backend RPC esps file.exec os command injection

Title source: cna
STIX 2.1

Description

A weakness has been identified in H3C NX15 V100R017. This impacts the function file.exec of the file /api/esps of the component Backend RPC. This manipulation of the argument File causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-385934 | H3C NX15 Backend RPC esps file.exec os command injection
https://vuldb.com/vuln/385934
Signature, Permissions Required signature permissions-required
VDB-385934 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/385934/cti
Third Party Advisory third-party-advisory
CVE-2026-18900 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-18900
Third Party Advisory third-party-advisory
Submit #857814 | H3C NX15 Router NX15V100R017 Exposed Dangerous Function
https://vuldb.com/submit/857814

Scores

CVSS v3 7.2
EPSS 0.0238
EPSS Percentile 82.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-77 CWE-78
Status published
Products (1)
H3C/NX15 V100R017
Published Aug 05, 2026
Tracked Since Aug 05, 2026