CVE-2026-43851: Advantech ADAM-3600 EdgeLink path traversal in file access

CVE-2026-43851 · Severity: info · Published 2026-10-20

Advantech ADAM-3600 EdgeLink is a remote terminal unit used for industrial data acquisition and remote monitoring. An authenticated attacker can exploit a path traversal vulnerability to read arbitrary files from the device, potentially exposing sensitive configuration data, credentials, or operational information.

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

Quick answers

Is CVE-2026-43851 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-43851 being exploited in the wild.
How severe is CVE-2026-43851?
Informational severity, published 20 October 2026.
Which products and versions are affected?
Advantech ADAM-3600 EdgeLink.
Is there a fix for CVE-2026-43851?
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-2026-43851 attacked?
It is attacked over the network.
Am I affected by CVE-2026-43851?
Check whether you run Advantech ADAM-3600 EdgeLink. 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

A path traversal vulnerability in the ADAM-3600 EdgeLink allows an authenticated attacker to bypass file access restrictions and read arbitrary files on the system. The vulnerability requires valid authentication credentials as a precondition. A successful exploit enables unauthorized disclosure of sensitive files on the affected device.

Affected products

  • Advantech ADAM-3600 EdgeLink

Timeline

  • 2026-10-20: disclosed

References

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