CVE-2026-19188: Haiwell IoT Cloud HMI Gateway OS Command Injection

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-14 · updated 2026-09-08
Weakness: CWE-78

Description

A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The vulnerability exists in the Net Check feature accessible via the /setting endpoint. The cmdPing Socket.io event fails to properly sanitize user-supplied input before passing it to the underlying operating system, allowing an attacker to inject and execute arbitrary OS commands with root privileges.

Affected products

Haiwell IoT Cloud HMI Gateway: 3.40.1.12

References

https://en.haiwell.com/app/system/entrance.php?m=include&c=access&a=dodown&lang=en&id=361
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-225-02.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-225-02

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