CVE-2026-19188: Haiwell IoT Cloud HMI Gateway OS Command Injection
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.
Security readout for executives and security teams
Plain-English summary
Haiwell IoT Cloud HMI Gateway versions 3.40.1.12 and 3.50.1.19 contain a remotely reachable flaw that can let an unauthenticated attacker run operating-system commands as root. Successful exploitation could expose sensitive information, alter gateway behavior, disrupt availability, and potentially affect connected operational processes.
Executive priority
Immediate. Determine within the shortest operationally safe window whether affected gateways exist and are remotely reachable. Isolate exposed systems first, then obtain confirmed vendor remediation. Because exploitation could grant root control over an industrial gateway, suspected compromise should trigger incident response and assessment of connected operational systems.
Technical view
The /setting Net Check feature handles the cmdPing Socket.io event without adequately sanitizing user input before passing it to the operating system. This is OS command injection (CWE-78). The CVSS 3.1 score is 10.0, reflecting network access, low complexity, no required privileges or user interaction, root-level impact, and changed scope.
Likely exposure
Exposure is highest where an affected gateway's management interface or Socket.io service is reachable from the internet, untrusted networks, or compromised internal systems. The supplied record identifies only versions 3.40.1.12 and 3.50.1.19 as affected; do not assume other versions are vulnerable without vendor confirmation.
Exploitation context
The source bundle does not establish active exploitation, and CVE-2026-19188 is not identified as a CISA Known Exploited Vulnerability. However, its unauthenticated network attack path, low complexity, and root-level command execution make exposed affected devices urgent targets for defensive review.
Researcher notes
The vulnerable path is described as cmdPing processing within the Net Check feature at /setting. Input reaches an OS command context without sufficient sanitization and executes with root privileges. The supplied sources do not provide a confirmed fixed version, detailed mitigation, or evidence of exploitation; testing should remain authorized and non-disruptive.
Mitigation direction
Identify and prioritize gateways running versions 3.40.1.12 or 3.50.1.19.
Block internet and untrusted-network access to affected management interfaces.
Restrict gateway administration to trusted management hosts and segmented networks.
Disable the Net Check feature if supported and operationally acceptable.
Consult Haiwell and CISA guidance for confirmed remediation or updated firmware.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
2CVSS vectors
3Timeline events
1ADP providers
4Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
2 official scores
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.