CVE-2018-4063
Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2025-12-12. Federal due date: 2026-01-02.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Sierrawireless | Aleos | before 4.4.9 before 4.11.0 before 4.9.4 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- http://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.html
- http://www.securityfocus.com/bid/108147
- https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4063
- https://www.forescout.com/blog/ot-network-security-threats-industrial-routers-under-attack/