{"id":"CVE-2026-107441","published":"2026-11-03T02:16:52.617","lastModified":"2026-11-03T02:16:52.617","description":"An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker  to exploit the flaw and potentially execute OS commands via a crafted HTTP request.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-787"],"vendors":[],"products":[],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-gs1900-series-switches-11-03-2026","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"An out-of-bounds write in the Zyxel GS1900-24E's CGI program allows unauthenticated adjacent attackers to corrupt memory and potentially execute arbitrary OS commands via crafted HTTP requests.","exploitability":"Exploitation requires network access from the same broadcast domain (adjacent) with no authentication or user interaction; low complexity makes it highly exploitable in shared environments like offices or co-located infrastructure.","blast_radius":"Successful exploitation could lead to full system compromise, including data theft, unauthorized configuration changes, and service disruption on the affected switch.","remediation":"Upgrade to firmware version 2.90(AAHK.3)C0 or later, as this is the first fixed version following 2.90(AAHK.2)C0.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["out-of-bounds-write","adjacent-attack","command-execution","web-interface","embedded-device"],"model":"garnet-coder","analyzedAt":"2026-11-03T09:59:33.025Z"}}