Heap-Based Buffer Overflow Vulnerability in Advantech Products
CVE-2026-43855

7.5HIGH

Key Information:

Vendor

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

What is CVE-2026-43855?

A heap-based buffer overflow vulnerability has been identified in several Advantech products, potentially allowing a remote authenticated attacker to execute arbitrary code. This vulnerability occurs due to improper handling of data in memory, enabling an attacker to manipulate the heap space and introduce malicious code. Users are strongly advised to apply security updates and follow best practices to mitigate the risks associated with this vulnerability.

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:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Simone Bossi and Raffaele Bova at Nozomi Networks
.