CVE-2026-18900
H3C NX15 Backend RPC esps file.exec os command injection
- State
- Published
- Severity
- 8.6 High
- Published
- Aug 5, 2026
- Updated
- Aug 5, 2026
- Reserved
- Aug 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS: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 | VulDB |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.2 High | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 8.3 High | AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
NX15H3C |
|
References
- VDB-385934 | H3C NX15 Backend RPC esps file.exec os command injectionvdb-entrytechnical-description
- VDB-385934 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-18900 | CVE Analysis and Reportthird-party-advisory
- Submit #857814 | H3C NX15 Router NX15V100R017 Exposed Dangerous Functionthird-party-advisory
- https://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/file_exec_root_rce/report/postauth_file_exec_rce_report.mdrelated
- https://github.com/coconut652-7/IOT_Vul_Public/blob/main/H3C/NX15R017/file_exec_root_rce/poc/postauth_file_exec_rce.pyexploit
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