AEGLIX vulnerability intelligence
CVE-2018-4063
HIGH · CVSS 8.8 · Analyzed
Published: 2019-05-06 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 8.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-434
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Sierra Wireless · AirLink ALEOS
- Added to catalog
- 2025-12-12
- Required 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.
- CISA remediation due date
- 2026-01-02
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
Before (exclusive): 4.4.9
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
Before (exclusive): 4.11.0
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
Before (exclusive): 4.9.4
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.html
Exploit · VDB Entry
- http://www.securityfocus.com/bid/108147
Broken Link
- https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
Third Party Advisory · US Government Resource
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748
Exploit · Third Party Advisory
- http://packetstormsecurity.com/files/152648/Sierra-Wireless-AirLink-ES450-ACEManager-upload.cgi-Remote-Code-Execution.html
Exploit · VDB Entry
- http://www.securityfocus.com/bid/108147
Broken Link
- https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
Third Party Advisory · US Government Resource
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0748
Exploit · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4063
US Government Resource
- https://www.forescout.com/blog/ot-network-security-threats-industrial-routers-under-attack/
Exploit · Third Party Advisory