Quick answers
- Is CVE-2026-43836 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-43836 being exploited in the wild.
- How severe is CVE-2026-43836?
- Informational severity, published 20 October 2026.
- Which products and versions are affected?
- Advantech ADAM-3600 EdgeLink.
- Is there a fix for CVE-2026-43836?
- 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-2026-43836 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-43836?
- 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-2026-43836 is a proprietary protocol vulnerability in the ADAM-3600 EdgeLink that allows packet forgery to achieve remote code execution with administrative privileges. The vulnerability requires network access to the device but no prior authentication. The attack involves crafting malicious packets that the proprietary protocol parser fails to properly validate, leading to command execution with maximum system privileges.
Affected products
- Advantech ADAM-3600 EdgeLink
Timeline
- 2026-10-20: disclosed