NULL Pointer Dereference in License Manager Service of Advantech Products
CVE-2026-43842

6.9MEDIUM

Key Information:

Vendor

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

What is CVE-2026-43842?

A NULL pointer dereference vulnerability has been identified in the license manager service of Advantech products. This vulnerability permits an unauthenticated attacker to exploit the rpc_rx_fsm function, potentially resulting in a crash of the service when the message length is set to zero. Proper validation of input is essential to mitigate the risk associated with this issue, ensuring the stability and security of the affected products.

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:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
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 finder
.