CVE-2022-36159

HIGH

Contec FXA3200 <1.13 - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Broken Link, Third Party Advisory x_refsource_misc
https://gist.github.com/Nwqda/aac33d1936d2b514a3268f145345abb4
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://samy.link/blog/contec-flexlan-fxa2000-and-fxa3000-series-vulnerability-repo
Patch, Third Party Advisory x_refsource_misc
https://jvn.jp/en/vu/JVNVU98305100/

Scores

CVSS v3 8.8
EPSS 0.0095
EPSS Percentile 56.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-798
Status published
Products (4)
contec/fxa2000_firmware < 1.39.00
contec/fxa3000_firmware < 1.13.00
contec/fxa3020_firmware < 1.13.00
contec/fxa3200_firmware < 1.13.00
Published Sep 26, 2022
Tracked Since Feb 18, 2026