CVE-2022-36159: Contec FXA2000 Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

Contec FXA3200 version 1.13 and under were discovered to contain a hard coded hash password for root stored in the component /etc/shadow. As the password strength is weak, it can be cracked in few minutes. Through this credential, a malicious actor can access the Wireless LAN Manager interface and open the telnet port then sniff the traffic or inject any malware.

Affected products

• Contec FXA2000 Firmware: before 1.39.00 (fixed in 1.39.00)
• Contec FXA3000 Firmware: up to and including 1.13.00
• Contec FXA3020 Firmware: up to and including 1.13.00
• Contec FXA3200 Firmware: up to and including 1.13.00

Published 2022-09-26. Last modified 2026-06-17.