ALEOS 4.9.3 is for AirLink MP70 Series, RV50 Series, GX450 and ES450 gateways.

Download ALEOS 4.9.3 from the source


Sierra Wireless strongly recommends that all users upgrade to 4.9.3 to obtain the benefits of cumulative security enhancements from this and previous releases. This release will also remove any known malware if it is present.

Bug Fixes

Security and CVE Vulnerabilities

Addressed potential vulnerabilities related to CVE-2018-10251

(see the security bulletin at


Restored the use of DHCP Option 33 for adding static routes



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