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CVE-2018-4063 — Actively Exploited: AirLink ALEOS (Sierra Wireless)

Sierra Wireless AirLink ALEOS contains an unrestricted upload of file with dangerous type vulnerability. A specially crafted HTTP request can upload a file, resulting in executable code being uploaded, and routable, to the webserver. An attacker can make an authenticated HTTP request to trigger this vulnerability. The

CVE IDCVE-2018-4063
VendorSierra Wireless
ProductAirLink ALEOS
Vulnerability nameSierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability
Date added2025-12-12
Remediation due2026-01-02
Known ransomware useUnknown
Required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
DescriptionSierra Wireless AirLink ALEOS contains an unrestricted upload of file with dangerous type vulnerability. A specially crafted HTTP request can upload a file, resulting in executable code being uploaded, and routable, to the webserver. An attacker can make an authenticated HTTP request to trigger this vulnerability. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users s
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