CVE-2026-43854: Advantech ADAM-3600 EdgeLink sensitive data exposure in project files

CVE-2026-43854 · Severity: info · Published 2026-10-20

The Advantech ADAM-3600 EdgeLink is a remote terminal unit used for industrial data acquisition and remote monitoring. An attacker with access to an encrypted project file can retrieve administrator credentials for EdgeLink-enabled devices, potentially leading to unauthorized device access and control. This vulnerability could allow an attacker to compromise industrial systems and sensitive operations.

Technologies: Advantech ADAM-3600 EdgeLink. Vendors: Advantech.

Quick answers

Is CVE-2026-43854 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-43854 being exploited in the wild.
How severe is CVE-2026-43854?
Informational severity, published 20 October 2026.
Which products and versions are affected?
Advantech ADAM-3600 EdgeLink <UNKNOWN>.
Is there a fix for CVE-2026-43854?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-43854 attacked?
It is attacked from the adjacent network or with local access.
Am I affected by CVE-2026-43854?
Check whether you run Advantech ADAM-3600 EdgeLink 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

CVE-2026-43854 allows credential extraction from encrypted project files in Advantech ADAM-3600 EdgeLink devices. The vulnerability enables an attacker with file access to decrypt or extract administrator credentials stored in project files, bypassing authentication controls. This is a local/adjacent attack requiring prior file access but no authentication to the device itself.

Affected products

  • Advantech ADAM-3600 EdgeLink <UNKNOWN>

Timeline

  • 2026-10-20: disclosed

References

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