CVE-2020-18331

9.1 criticalEPSS 1.3%

Critical (9.1) in chinamobileltd gpn2.4p21-c-cn firmware. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2023-01-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

chinamobileltd:gpn2.4p21-c-cn_firmware

References

https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md
https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24
https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md
https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24

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