Serial number: AV26-370
Date: April 20, 2026
On April 20, 2026, Moxa published a security advisory to address a vulnerability in the following products:
- PT-508 Series – firmware version 3.8 and prior
- PT-510 Series – firmware version 3.8 and prior
- PT-7528 Series – firmware version 5.0 and prior
- PT-7728 Series – firmware version 3.9 and prior
- PT-7828 Series – firmware version 4.0 and prior
- PT-G503 Series – firmware version 5.3 and prior
- PT-G510 Series – firmware version 6.5 and prior
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.
![[Control Systems] Moxa security advisory (AV26-370)](https://canadiancyberwatch.ca/wp-content/uploads/2026/03/cyber-open-graph-1024x538.jpg)