Ref# ADV2025_225 | Date: Jul 28th 2025

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Mitel has published a security advisory highlighting vulnerabilities in the following products on July 23rd, 2025. It is recommended that you take the necessary precautions by ensuring your products are always updated. 

• MiVoice MX-ONE – versions 3 (7.3.0.0.50) to 7.8 SP1 (7.8.1.0.14) 

• MiCollab – versions 10.0 (10.0.0.26) to 10.0 SP1 FP1 (10.0.1.101) and version 9.8 SP3 (9.8.3.1) and prior 

For more information on these updates, you can follow these URLs: 

• Mitel Security Advisory – MISA-2025-0009 

• Mitel Security Advisory – MISA-2025-0008 

• Mitel Security Bulletins 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary. 

PDF Download: Mitel Security Advisory

References 

• Mitel Security Bulletins. (July 23rd, 2025). Retrieved from Mitel. https://www.mitel.com/support/security-advisories  

• Mitel Security Advisory. (July 23rd, 2025). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/mitel-security-advisory-av25-449