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Security Enhancement: SNMP Agent Default Community Name (public)

Published: October 21, 2025

This Alert Is From MOXA

As Industrial IoT (IIoT) adoption continues to proliferate, cybersecurity has become one of the top priorities. The Moxa Product Security Incident Response Team (PSIRT) takes a proactive approach to protect products from cybersecurity vulnerabilities. Moxa PSIRT investigates all reports of vulnerabilities that could potentially affect Moxa products. Moxa created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Moxa’s customers have steady, unambiguous resources to help them understand how Moxa resolves or mitigates reported vulnerabilities. For any queries, please email PSIRT@moxa.com.

It is very easily possible to obtain the default community name of the remote SNMP server. An attacker may use this information to gain more knowledge about the remote host, or to change the configuration of the remote system (if the default community allows such modifications). (Source: Tenable Nessus)

As this issue is assessed as high severity, users are strongly advised to immediately apply the solutions to mitigate associated security risks.

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-257315-security-enhancement-snmp-agent-default-community-name-(public)