CVE-2023-2573 — Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1

Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by an command injection vulnerability in the NTP server input field, which can be triggered by authenticated users via a crafted POST request.

01What is this vulnerability?

Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by an command injection vulnerability in the NTP server input field, which can be triggered by authenticated users via a crafted POST request.

02Affected products

Vendor	Product	Versions
Advantech	EKI	1524 — 0
Advantech	EKI	1522 — 0
Advantech	EKI	1521 — 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-08T12:33:06.707Z
• Last modified: 2025-02-13T16:44:35.870Z

09References

• www.advantech.com — https://www.advantech.com/en/support/details/firmware?id=1-1J9BED3
• www.advantech.com — https://www.advantech.com/en/support/details/firmware?id=1-1J9BEBL
• www.advantech.com — https://www.advantech.com/en/support/details/firmware?id=1-1J9BECT
• cyberdanube.com — https://cyberdanube.com/en/multiple-vulnerabilities-in-advantech-eki-15xx-series…
• seclists.org — http://seclists.org/fulldisclosure/2023/May/4
• packetstormsecurity.com — http://packetstormsecurity.com/files/172307/Advantech-EKI-15XX-Series-Command-In…