CVE-2018-15553: Telus Actiontec t2200h Firmware

High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days.

fileshare.cmd on Telus Actiontec T2200H T2200H-31.128L.03 devices allows OS Command Injection via shell metacharacters in the smbdUserid or smbdPasswd field.

Affected products

• Telus Actiontec t2200h Firmware: version t2200h-31.128l.03 only

Published 2018-08-20. Last modified 2026-06-17.