CVE-2018-4062: Sierra Wireless AirLink ES450 Firmware

High severity, CVSS 8.1. EPSS: 5.3% chance of exploitation in the next 30 days.

A hard-coded credentials vulnerability exists in the snmpd function of the Sierra Wireless AirLink ES450 FW 4.9.3. Activating snmpd outside of the WebUI can cause the activation of the hard-coded credentials, resulting in the exposure of a privileged user. An attacker can activate snmpd without any configuration changes to trigger this vulnerability.

Affected products

• Sierra Wireless AirLink ES450 Firmware: version 4.9.3 only

Published 2019-05-06. Last modified 2026-06-17.