CVE-2018-4073: Sierra Wireless AirLink ES450 Firmware

High severity, CVSS 8.8. EPSS: 25.6% chance of exploitation in the next 30 days.

An exploitable Permission Assignment vulnerability exists in the ACEManager EmbeddedAceSet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The the binary the endpoint /cgi-bin/Embeded_Ace_TLSet_Task.cgi is a very similar endpoint that is designed for use with setting table values that can cause an arbitrary setting writes, resulting in the unverified changes to any system setting. An attacker can make an authenticated HTTP request, or run the binary as any user, to trigger this vulnerability.

Affected products

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