Is CVE-2026-43846 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-43846 being exploited in the wild.

How severe is CVE-2026-43846?

Informational severity, published 20 October 2026.

Is there a fix for CVE-2026-43846?

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-2026-43846 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-43846?

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.

CVE-2026-43846: Advantech ADAM-3600 EdgeLink stack overflow in non-functional feature

CVE-2026-43846 · Severity: info · Published 2026-10-20

Advantech ADAM-3600 EdgeLink is a remote terminal unit used for industrial data acquisition and monitoring in critical infrastructure. An authenticated attacker could exploit a stack-based buffer overflow in a disabled feature to execute arbitrary code on the device, potentially allowing complete control of industrial operations and data exfiltration.

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

Quick answers

Is CVE-2026-43846 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-43846 being exploited in the wild.
How severe is CVE-2026-43846?: Informational severity, published 20 October 2026.
Which products and versions are affected?: Advantech ADAM-3600 EdgeLink.
Is there a fix for CVE-2026-43846?: 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-2026-43846 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-43846?: 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-2026-43846 is a stack-based buffer overflow in a non-functional feature of the ADAM-3600 EdgeLink accessible to authenticated users. The vulnerability allows an authenticated attacker to achieve remote code execution on the affected device. Advantech has released a security update to address this and related vulnerabilities in the product.

Affected products

Advantech ADAM-3600 EdgeLink

Timeline

2026-10-20: disclosed

References

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