CVE-2026-18810: H3C NX15 networkSetup missing authentication

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-04 · updated 2026-10-23
Weakness: CWE-287

Description

A security vulnerability has been detected in H3C NX15 V100R017. Impacted is an unknown function of the file /api/wizard/networkSetup. Such manipulation leads to missing authentication. The attack may be performed from remote. The vendor was contacted early about this disclosure.

Affected products

H3C NX15: V100R017

References

https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/api_wizard_networksetup_preauth_hijack
https://vuldb.com/cve/CVE-2026-18810
https://vuldb.com/submit/857805
https://vuldb.com/vuln/385809
https://vuldb.com/vuln/385809/cti
https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/api_wizard_networksetup_preauth_hijack

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