Sierra Wireless AirLink gateways and routers are widely used in enterprise environments to connect industrial equipment, smart devices, sensors, point-of-sale (PoS) systems, and Industrial Control systems (ICSs).
“Several exploitable vulnerabilities exist in the Sierra Wireless AirLink ES450, an LTE gateway designed for distributed enterprise, such as retail
“These flaws present a number of attack vectors for a malicious actor, and could allow them to remotely execute code on the victim machine, change the administrator’s password and expose user credentials, among other scenarios.”
Most of the issues reside in ACEManager, the web server included with the ES450.
Experts discovered three flaws classified as “critical” (CVSS score 9.9) that can be exploited by an attacker to make changes to any system settings and execute arbitrary commands and code. An authenticated attacker could exploit the flaw by sending specially crafted HTTP requests to the targeted device.
Other three flaws, rated as “high severity,” could be exploited by an authenticated attacker to change the user password and obtain plaintext passwords and other sensitive information. One of the issues affects the SNMPD function of the Sierra Wireless AirLink ES450 and it can be exploited by attackers to activate hardcoded credentials on a device, resulting in the exposure of a privileged user.
The remaining issues have been classified as “medium severity,” they include cross-site request forgery (CSRF), cross-site scripting (XSS), and information disclosure issues.
At the time of writing, Sierra Wireless has yet to release a security advisory for these vulnerabilities.
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