# CVE-2026-43848: Advantech ADAM-3600 EdgeLink denial of service in bulk port configuration

Source: https://junglewise.ai/threats/cve-2026-43848-a-vulnerability-in-the-bulk-port-configuration-functionality  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-43848 · Severity: info · Published 2026-10-20

The Advantech ADAM-3600 EdgeLink is a remote terminal unit used for industrial data acquisition and monitoring. An unauthenticated attacker can crash the service through improper bulk port configuration, disrupting monitoring and control of critical industrial systems. This vulnerability allows any network-connected user to cause a denial of service without credentials or legitimate access.

Technologies: [Advantech ADAM-3600 EdgeLink](https://junglewise.ai/threats/technologies/adam-3600-edgelink). Vendors: [Advantech](https://junglewise.ai/threats/vendors/advantech).

## Quick answers

**Is CVE-2026-43848 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-43848 being exploited in the wild.

**How severe is CVE-2026-43848?** Informational severity, published 20 October 2026.

**Which products and versions are affected?** Advantech ADAM-3600 EdgeLink.

**Is there a fix for CVE-2026-43848?** 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-2026-43848 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-43848?** 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-2026-43848 is a denial-of-service vulnerability in the bulk port configuration functionality of the ADAM-3600 EdgeLink that permits unauthenticated network attackers to crash the service. The exact mechanism is not detailed in the advisory but likely involves improper input validation or resource handling in port configuration logic. No fix version is stated in the available advisory material.

## Affected products

- Advantech ADAM-3600 EdgeLink

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.advantech.com/en/security-advisory](https://www.advantech.com/en/security-advisory)
- [https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149](https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149)

## Related threats

- [Advantech ADAM-3600 EdgeLink stack-based buffer overflow in login](https://junglewise.ai/threats/cve-2026-43858-a-stack-based-buffer-overflow-vulnerability-could-allow-a-remote)
- [Advantech ADAM-3600 EdgeLink arbitrary code execution via proprietary protocol](https://junglewise.ai/threats/cve-2026-43857-a-vulnerability-could-allow-a-remote-authenticated-attacker-to)
- [Advantech ADAM-3600 stack-based buffer overflow in FileProcess CheckDir](https://junglewise.ai/threats/cve-2026-43856-a-stack-based-buffer-overflow-vulnerability-in-the-fileprocess)
- [Advantech ADAM-3600 EdgeLink heap buffer overflow remote authenticated code execution](https://junglewise.ai/threats/cve-2026-43855-a-heap-based-buffer-overflow-vulnerability-could-allow-a-remote)
- [Advantech ADAM-3600 EdgeLink sensitive data exposure in project files](https://junglewise.ai/threats/cve-2026-43854-a-vulnerability-could-allow-an-attacker-with-access-to-an)