{"cve":"CVE-2020-25014","nvd":{"published":"2020-11-27T18:15:11.563","modified":"2026-06-17T03:06:14.360","status":"Modified","description":"A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55 allows remote unauthenticated attackers to execute arbitrary code via a crafted http packet.","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:H","score":9.8},"cwes":["CWE-787"],"references":["https://businessforum.zyxel.com/categories/security-news-and-release","https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml","https://businessforum.zyxel.com/categories/security-news-and-release","https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml"],"products":["zyxel:access_points_firmware","zyxel:zld"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-25014","score":0.0444,"percentile":0.91402,"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."]}