CVSS v3
9.1
CRITICAL
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2023-01-26
Frequently asked questions
What is CVE-2020-18331?
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.
Is CVE-2020-18331 actively exploited?
Active exploitation of CVE-2020-18331 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-18331?
CVE-2020-18331 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2020-18331 affecting your environment?
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