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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSierrawireless Airlink Es440
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Es450
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Gx400
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Gx440
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Gx450
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Ls300
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Lx40
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Lx60
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Mp70
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Mp70e
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Rv50
HWSierrawirelesswszystkie wersjeSierrawireless Airlink Rv50x
HWSierrawirelesswszystkie wersjeSierrawireless Aleos
OSSierrawireless< 4.9.4< 4.4.9< 4.11.0
CISA KEV — detailsi
- Vendori
- Sierra Wireless
- Producti
- AirLink ALEOS
- Added to KEVi
- December 12, 2025
- Remediation deadline (US Federal)i
- January 2, 2026(overdue)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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.
Related vulnerabilities
The ACENet service in Sierra Wireless ALEOS before 4.4.9, 4.5.x through 4.9.x before 4.9.5, and 4.10.x through...
Lack of input sanitization in AceManager of ALEOS before 4.12.0, 4.9.5 and 4.4.9 allows disclosure of sensitiv...
A vulnerability in Sierra Wireless AirLink GX400, GX440, ES440, and LS300 routers with firmware before 4.4.7 a...
OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to caus...
The ACEManager component of ALEOS 4.16 and earlier does not adequately perform input sanitization dur...