CVE-2026-78037: Xiiaozet LK100W OS command injection in web management interface

CVE-2026-78037 · Severity: high · CVSS 8.8 · Published 2026-08-28

The Xiiaozet LK100W is a network-connected industrial control device used in critical infrastructure environments worldwide. An authenticated attacker can inject arbitrary operating system commands through the web-based management interface and execute them with elevated privileges, potentially leading to complete device compromise and unauthorized access to sensitive information or systems.

Technologies: Xiiaozet LK100W. Vendors: Xiiaozet.

Quick answers

Is CVE-2026-78037 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-78037 being exploited in the wild.
How severe is CVE-2026-78037?
High severity, with a CVSS score of 8.8, published 28 August 2026.
Which products and versions are affected?
Xiiaozet LK100W before 2.1.240.
Is there a fix for CVE-2026-78037?
A patch was published on 2026-08-27: Xiiaozet released version 2.1.240 as remediation Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-78037 attacked?
It is attacked over the network.
Am I affected by CVE-2026-78037?
Check whether you run Xiiaozet LK100W 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 vulnerability is an OS command injection flaw (CWE-78) in the web-based management interface of the LK100W. An authenticated attacker can inject and execute arbitrary operating system commands with elevated privileges by exploiting improper neutralization of special elements in command inputs. The attack requires network access to the management interface and valid authentication credentials. Successful exploitation allows full device compromise, including data exfiltration and system manipulation. Xiiaozet has released a patch in version 2.1.240 that addresses this and related vulnerabilities.

Affected products

  • Xiiaozet LK100W before 2.1.240

Timeline

  • 2026-08-27: disclosed
  • 2026-08-27: patched: Xiiaozet released version 2.1.240 as remediation

References

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