{"id":"CVE-2023-22924","aliases":["EUVD-2023-27026","GHSA-h4h8-xpg4-95fv"],"status":"published","title":"A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14...","description":"A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.008,"percentile":0.56884,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2023-05-01T00:00:00Z","modified":"2026-06-17T05:36:26Z","products":[{"vendor":"zyxel","product":"nbg-418n v2 firmware"},{"vendor":"zyxel","product":"nbg-418n_firmware"}],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22924"},{"url":"https://github.com/advisories/GHSA-h4h8-xpg4-95fv"}],"sources":{"cve":[{"id":"CVE-2023-22924","description":"A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.","status":"published","published":"2023-05-01T00:00:00Z","modified":"2025-01-30T16:47:11.159Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:16.126506Z"}],"euvd":[{"id":"EUVD-2023-27026","description":"A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.","status":"published","published":"2023-05-01T00:00:00Z","modified":"2025-01-30T16:47:11Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:09.009549Z"}],"ghsa":[{"id":"GHSA-h4h8-xpg4-95fv","title":"A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14...","description":"A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.","status":"published","published":"2023-05-01T18:30:24Z","modified":"2024-04-04T03:45:04Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:56:18.00765Z"}],"nvd":[{"id":"CVE-2023-22924","description":"A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.","status":"published","published":"2023-05-01T17:15:09.273Z","modified":"2026-06-17T05:36:26.657Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:59.151142Z"}]}}