CVE-2018-4063

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.

• CWE-434
• CWE-434

• https://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.htmlExploit, VDB Entry
• https://www.securityfocus.com/bid/108147Broken Link
• https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03Third Party Advisory, US Government Resource
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748Exploit, Third Party Advisory
• https://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.htmlExploit, VDB Entry
• https://www.securityfocus.com/bid/108147Broken Link
• https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03Third Party Advisory, US Government Resource
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748Exploit, Third Party Advisory
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4063US Government Resource
• https://www.forescout.com/blog/ot-network-security-threats-industrial-routers-under-attack/Exploit, Third Party Advisory

Published

May 6, 2019

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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