# CVE-2026-43845: Advantech ADAM-3600 authentication bypass in password reset

Source: https://junglewise.ai/threats/cve-2026-43845-a-vulnerability-in-the-password-reset-mechanism-could-allow-an  
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-2026-43845 · Severity: info · Published 2026-10-20

The Advantech ADAM-3600 EdgeLink is a remote terminal unit used for industrial data acquisition and remote monitoring. A flaw in the password reset mechanism allows an attacker to bypass authentication and gain unauthorized access to the device, potentially leading to theft of industrial data or control of critical infrastructure.

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-2026-43845 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-43845 being exploited in the wild.

**How severe is CVE-2026-43845?** Informational severity, published 20 October 2026.

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

**Is there a fix for CVE-2026-43845?** 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-2026-43845 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-43845?** 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-2026-43845 is an authentication bypass vulnerability in the password reset mechanism of the ADAM-3600 EdgeLink. An unauthenticated attacker can exploit this to circumvent the authentication system and access the device with administrator privileges. The vulnerability allows an attacker to reset passwords without proper verification or authorization.

## 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)