CVE-2026-18810 H3C NX15 networkSetup missing authentication

Medium 6.9 Published Updated

Remote attackers can access the networkSetup API without authentication, bypassing security controls on H3C NX15 devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-18810?

CVE-2026-18810 is a medium-severity missing authorization vulnerability in H3C NX15, published on 4 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-306, CWE-287

Which versions are affected by CVE-2026-18810?

How do I fix CVE-2026-18810?

No fix has been published for CVE-2026-18810 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-18810 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18810 exists.

Sources

Also known as GHSA-7pgq-q698-cpf5.

Is CVE-2026-18810 in your software?

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