Critical severity9.1NVD Advisory· Published Jan 26, 2023· Updated Jun 17, 2026

CVE-2020-18331

Description

Directory traversal vulnerability in ChinaMobile PLC Wireless Router model GPN2.4P21-C-CN running the firmware version W2000EN-01(hardware platform Gpn2.4P21-C_WIFI-V0.05), via the getpage parameter to /cgi-bin/webproc.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

ChinaMobile/PLC Wireless Router model GPN2.4P21-C-CNdescription
Chinamobileltd/Gpn2.4p21 C Cn Firmware
cpe:2.3:o:chinamobileltd:gpn2.4p21-c-cn_firmware:w2000en-01:*:*:*:*:*:*:*
ChinaMobile/PLC Wireless Router GPN2.4P21-C-CNllm-fuzzy
Range: W2000EN-01(hardware platform Gpn2.4P21-C_WIFI-V0.05)

Patches

Vulnerability mechanics

References

github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.mdnvdExploitThird Party Advisory
medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24nvd

News mentions

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cvss	0.591
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000