{"id":"CVE-2020-25014","aliases":["EUVD-2020-17714","GHSA-f57w-r4hj-rw7w"],"status":"published","title":"A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways...","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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0444,"percentile":0.9152,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-11-27T17:18:30Z","modified":"2026-06-17T03:06:14Z","products":[{"vendor":"zyxel","product":"access_points_firmware"},{"vendor":"zyxel","product":"zld"}],"references":[{"url":"https://businessforum.zyxel.com/categories/security-news-and-release","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25014"},{"url":"https://github.com/advisories/GHSA-f57w-r4hj-rw7w"}],"sources":{"cve":[{"id":"CVE-2020-25014","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.","status":"published","published":"2020-11-27T17:18:30Z","modified":"2024-08-04T15:26:09.045Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-17714","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.","status":"published","published":"2020-11-27T17:18:30Z","modified":"2024-08-04T15:26:09Z","updated_at":"2026-11-03T03:07:18.658916Z"}],"ghsa":[{"id":"GHSA-f57w-r4hj-rw7w","title":"A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways...","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.","status":"published","published":"2022-05-24T17:35:00Z","modified":"2024-12-12T18:31:55Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:59:09.80967Z"}],"nvd":[{"id":"CVE-2020-25014","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.","status":"published","published":"2020-11-27T18:15:11.563Z","modified":"2026-06-17T03:06:14.36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}