CVE-2018-4063 — Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability
CVE-2018-4063: Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Sierra Wireless |
| Product | AirLink ALEOS |
| Date added | 2025-12-12 |
| Due date | 2026-01-02 |
| Ransomware campaign use | Unknown |
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-4063
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog