CVE-2026-43849: Advantech ADAM-3600 EdgeLink heap memory read information leak

CVE-2026-43849 · Severity: info · Published 2026-10-20

Advantech's ADAM-3600 EdgeLink is a remote terminal unit used for industrial data acquisition and remote monitoring in critical infrastructure. A heap memory read vulnerability allows attackers to exfiltrate sensitive data from the device's memory without authentication, potentially exposing credentials, configuration details, or other confidential information.

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

Quick answers

Is CVE-2026-43849 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-43849 being exploited in the wild.
How severe is CVE-2026-43849?
Informational severity, published 20 October 2026.
Which products and versions are affected?
Advantech ADAM-3600 EdgeLink.
Is there a fix for CVE-2026-43849?
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-2026-43849 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-43849?
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

CVE-2026-43849 is a heap memory read vulnerability in the Advantech ADAM-3600 EdgeLink that allows unauthorized information disclosure. The vulnerability requires network access but no authentication, permitting an attacker to read sensitive data from heap memory. A fix is available in updated firmware versions.

Affected products

  • Advantech ADAM-3600 EdgeLink

Timeline

  • 2026-10-20: disclosed

References

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