CVE-2018-4063β€”Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability

PUBLISHEDvulnerability record
2025-12-12 Β· last modified December 22, 2025

Metadata

CVE ID:
CVE-2018-4063
Project:
Sierra Wireless
Product:
AirLink ALEOS
Date Added:
2025-12-12
Due Date:
2026-01-02
Last Updated:
December 22, 2025

Vulnerability Name

Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability

Description

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 impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

  • https://www.cisa.gov/news-events/ics-advisories/icsa-19-122-03
  • https://source.sierrawireless.com/resources/airlink/software_reference_docs/technical-bulletin/sierra-wireless-technical-bulletin---swi-psa-2019-003
  • https://source.sierrawireless.com/resources/airlink/hardware_reference_docs/airlink_es450_eol
  • https://nvd.nist.gov/vuln/detail/CVE-2018-4063

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