NULL Pointer Dereference Vulnerability in Advantech Logs Management Functionality
CVE-2026-43839

8.7HIGH

Key Information:

Vendor

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

What is CVE-2026-43839?

A NULL pointer dereference vulnerability in Advantech's logs management functionality can be exploited by unauthenticated attackers to cause service interruptions. This flaw allows attackers to manipulate the execution flow of the service, potentially resulting in a crash. Proper validation checks should be implemented to mitigate this risk and safeguard against unauthorized access.

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:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
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
.