Command Injection Vulnerability in H3C NX15 Router
CVE-2026-18814

8.6HIGH

Key Information:

Vendor

H3c
Status
Nx15
Vendor
CVE Published:
4 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-18814?

A command injection vulnerability exists in the H3C NX15 Router (V100R017) affecting the reload.reload_config function exposed through /api/esps. This weakness allows attackers to remotely inject arbitrary commands, potentially leading to unauthorized system access and compromise. The exploit has been made public, raising concerns about the security of affected devices, and early notifications to the vendor highlight the need for immediate remediation measures.

Affected Version(s)

NX15 V100R017

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-18814 - Proof of Concept

References

https://vuldb.com/vuln/385813
vdb-entrytechnical-description
https://vuldb.com/vuln/385813/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18814
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

coconut (VulDB User)
VulDB CNA Team
.