{"id":"CVE-2026-8508","aliases":["EUVD-2026-52567","GHSA-hq2r-whw2-gr82"],"status":"published","title":"An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S...","description":"An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00317,"percentile":0.24987,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-287"],"published":"2026-08-04T01:57:51Z","modified":"2026-10-23T23:10:00Z","exploits":[{"source":"pocgithub","id":"minanagehsalalma/zyxel-social-login-bypass-cve-2026-8508","title":"minanagehsalalma/zyxel-social-login-bypass-cve-2026-8508","date":"2026-08-16","url":"https://github.com/minanagehsalalma/zyxel-social-login-bypass-cve-2026-8508"}],"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-2026-8508"},{"url":"https://github.com/advisories/GHSA-hq2r-whw2-gr82"}],"sources":{"cve":[{"id":"CVE-2026-8508","description":"An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.","status":"published","published":"2026-08-04T01:57:51.77Z","modified":"2026-08-04T18:46:57.004Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T13:48:13.398044Z"}],"euvd":[{"id":"EUVD-2026-52567","description":"An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.","status":"published","published":"2026-08-04T01:57:51Z","modified":"2026-08-04T18:46:57Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:22.516769Z"}],"ghsa":[{"id":"GHSA-hq2r-whw2-gr82","title":"An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S...","description":"An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.","status":"published","published":"2026-08-04T03:31:10Z","modified":"2026-08-04T03:31:16Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:10:03.433591Z"}],"nvd":[{"id":"CVE-2026-8508","description":"An improper authentication vulnerability in the \"social_login.cgi\" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.","status":"published","published":"2026-08-04T03:16:26.023Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:12:34.643497Z"}]}}
