{"cve":"CVE-2020-18331","nvd":{"published":"2023-01-26T21:15:19.080","modified":"2026-06-17T02:59:16.943","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-22"],"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"],"products":["chinamobileltd:gpn2.4p21-c-cn_firmware"],"source":"nvd","synced_at":"2026-10-19T21:37:34.931465858+00:00"},"epss":{"cve":"CVE-2020-18331","score":0.01303,"percentile":0.70511,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}