What’s Vulnerable › Vulnerabilities

CVE-2022-36159

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-09-26 · updated 2026-06-17
• Weakness: CWE-798

Description

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: through 1.13.00
• Contec Fxa3020 Firmware: through 1.13.00
• Contec Fxa3200 Firmware: through 1.13.00

How to fix

Upgrade to a fixed version: Contec Fxa2000 Firmware 1.39.00. Check the vendor advisory for mitigations.

References

• https://gist.github.com/Nwqda/aac33d1936d2b514a3268f145345abb4
• https://jvn.jp/en/vu/JVNVU98305100/
• https://samy.link/blog/contec-flexlan-fxa2000-and-fxa3000-series-vulnerability-repo
• https://www.contec.com/products-services/computer-networking/flexlan-fx/fx-accesspoint/fxa3200/feature/#section
• https://gist.github.com/Nwqda/aac33d1936d2b514a3268f145345abb4
• https://jvn.jp/en/vu/JVNVU98305100/
• https://samy.link/blog/contec-flexlan-fxa2000-and-fxa3000-series-vulnerability-repo
• https://www.contec.com/products-services/computer-networking/flexlan-fx/fx-accesspoint/fxa3200/feature/#section

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