Quick answers
- Is CVE-2026-18814 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18814 being exploited in the wild.
- How severe is CVE-2026-18814?
- High severity, with a CVSS score of 7.2, published 4 August 2026.
- Which products and versions are affected?
- H3C NX15 V100R017.
- Is there a fix for CVE-2026-18814?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-18814 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-18814?
- Check whether you run H3C NX15 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This is a command injection vulnerability in the reload.reload_config function of the /api/esps API endpoint in H3C NX15 V100R017. The vulnerability allows unauthenticated remote attackers to inject and execute arbitrary OS commands on the affected device. The attack vector is network-based and requires no authentication or user interaction. Successful exploitation enables complete system compromise and arbitrary code execution. Patches or mitigations from the vendor should be checked and applied immediately.
Affected products
- H3C NX15 V100R017
Timeline
- 2026-08-04: disclosed