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CVE-2018-4063Sierra Wireless AirLink ALEOS Unrestricted Upload of File with Dangerous Type Vulnerability
An exploitable remote code execution vulnerability exists in the upload.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. 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.
8.8 HIGHEPSS 27.26%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.8 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 9.0 | HIGH | 2.0NVD | AV:N/AC:L/Au:S/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Jan 2, 2026
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2018-4063
- Status
- Analyzed
- Assigner (CNA)
- talos
- Published
- May 6, 2019
- Last modified
- 2026-06-17 01:58 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
Sierra Wireless1 version range
- Sierra Wireless AirLink ES450 FW 4.9.3
References
- packetstormsecurity.com http://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.html
- securityfocus.com http://www.securityfocus.com/bid/108147
- ics-cert.us-cert.gov https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4063
- forescout.com https://www.forescout.com/blog/ot-network-security-threats-industrial-routers-under-attack/