Authentication Bypass in Advantech Products Discovered
CVE-2026-43844

9.3CRITICAL

Key Information:

Vendor

Advantech
Status
Adam-3600
Vendor
CVE Published:
20 October 2026

What is CVE-2026-43844?

A vulnerability identified in Advantech's proprietary protocol allows unauthorized access by bypassing the authentication mechanism. Attackers exploiting this flaw can gain access to sensitive areas of the system, posing significant risks to data integrity and user security. It is essential for users and organizations utilizing Advantech products to implement necessary safeguards and updates to mitigate this risk.

Affected Version(s)

ADAM-3600 prior to version 2.8.5.0

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-20...
https://www.advantech.com/en/security-advisory
vendor-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Simone Bossi and Raffaele Bova at Nozomi Networks
.