{"id":"CVE-2026-6837","aliases":["EUVD-2026-52566","GHSA-fq66-x242-gfpv"],"status":"published","title":"A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel...","description":"A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01521,"percentile":0.74778,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-78"],"published":"2026-08-04T01:52:07Z","modified":"2026-10-23T23:10:00Z","exploits":[{"source":"pocgithub","id":"minanagehsalalma/CVE-2026-6837-zyxel-export-cgi-command-injection","title":"minanagehsalalma/CVE-2026-6837-zyxel-export-cgi-command-injection","date":"2026-08-16","url":"https://github.com/minanagehsalalma/CVE-2026-6837-zyxel-export-cgi-command-injection"}],"products":[{"vendor":"zyxel","product":"wax650s firmware"}],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-improper-authentication-vulnerabilities-in-certain-aps-fwa7-and-security-routers-08-04-2026","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6837"},{"url":"https://github.com/advisories/GHSA-fq66-x242-gfpv"}],"sources":{"cve":[{"id":"CVE-2026-6837","description":"A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.","status":"published","published":"2026-08-04T01:52:07.78Z","modified":"2026-08-05T03:56:19.206Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-52566","description":"A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.","status":"published","published":"2026-08-04T01:52:07Z","modified":"2026-08-05T03:56:19Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:22.516769Z"}],"ghsa":[{"id":"GHSA-fq66-x242-gfpv","title":"A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel...","description":"A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.","status":"published","published":"2026-08-04T03:31:10Z","modified":"2026-08-04T03:31:16Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:10:03.433591Z"}],"nvd":[{"id":"CVE-2026-6837","description":"A post-authentication command injection vulnerability in the \"export-cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.","status":"published","published":"2026-08-04T03:16:25.89Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:34.643497Z"}]}}