# CVE-2026-73163: Advantech EKI-1242IEIMS OS command injection in web management interface

Source: https://junglewise.ai/threats/cve-2026-73163-advantech-eki-1242ieims-os-command-injection-in-web-management  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-16. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-73163 · Severity: info · CVSS 8.6 · Published 2026-09-16

Advantech EKI-1242IEIMS is an industrial network device with a web-based management interface. A remote authenticated attacker can execute arbitrary OS commands with root privileges by sending crafted requests, potentially gaining full control of the device and disrupting critical industrial operations or accessing sensitive data.

Technologies: [Advantech EKI-1242EIMS](https://junglewise.ai/threats/technologies/eki-1242eims), [Advantech EKI-1242IEIMS](https://junglewise.ai/threats/technologies/eki-1242ieims). Vendors: [Advantech](https://junglewise.ai/threats/vendors/advantech).

## Quick answers

**Is CVE-2026-73163 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73163 being exploited in the wild.

**How severe is CVE-2026-73163?** Informational severity, with a CVSS score of 8.6, published 16 September 2026.

**Which products and versions are affected?** Advantech EKI-1242EIMS V1.06.01; Advantech EKI-1242IEIMS V1.06.01.

**Is there a fix for CVE-2026-73163?** A patch was published on 2026-09-04: Patch available as firmware version 2.00.01 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-73163 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-73163?** Check whether you run Advantech EKI-1242EIMS or Advantech EKI-1242IEIMS 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

The vulnerability is a CWE-78 OS command injection flaw in the web management interface of Advantech EKI-1242IEIMS firmware V1.06.01. The vulnerable component fails to properly neutralize special characters in request parameters before passing them to OS command execution, allowing an authenticated remote attacker to inject arbitrary commands. Attack requires network access to the web interface and prior authentication. An attacker can achieve arbitrary command execution with root privileges. The vendor has released a fix in firmware version 2.00.01.

## Affected products

- Advantech EKI-1242IEIMS V1.06.01
- Advantech EKI-1242EIMS V1.06.01

## Timeline

- 2026-09-16: disclosed
- 2026-09-04: patched: Patch available as firmware version 2.00.01

## References

- [https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf](https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf)
- [https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73163](https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73163)

## Related threats

- [Advantech EKI-1242EIMS firmware signature verification bypass](https://junglewise.ai/threats/cve-2026-73177-advantech-eki-1242eims-firmware-signature-verification-bypass)
- [Advantech EKI-1242IEIMS OS command injection in web management interface](https://junglewise.ai/threats/cve-2026-73176-advantech-eki-1242ieims-os-command-injection-in-web-management)
- [Advantech EKI-1242 denial of service in OPC UA gateway](https://junglewise.ai/threats/cve-2026-73175-advantech-eki-1242-denial-of-service-in-opc-ua-gateway)
- [Advantech EKI-1242 cleartext transmission of sensitive information](https://junglewise.ai/threats/cve-2026-73174-advantech-eki-1242-cleartext-transmission-of-sensitive)
- [Advantech EKI-1242IEIMS missing authentication in management protocol](https://junglewise.ai/threats/cve-2026-73173-advantech-eki-1242ieims-missing-authentication-in-management)