CVE-2026-18900

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.

CVSS 4.0

7.3CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

3.8% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-25)

CWEs

CWE-77, CWE-78

Published

2026-08-05

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

References

• https://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/file_exec_root_rce/poc/postauth_file_exec_rce.py
• https://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/file_exec_root_rce/report/postauth_file_exec_rce_report.md
• https://vuldb.com/cve/CVE-2026-18900
• https://vuldb.com/submit/857814
• https://vuldb.com/vuln/385934

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