{"id":"CVE-2026-23809","aliases":["EUVD-2026-9415","GHSA-r2rg-jmvf-rf47"],"status":"published","title":"MAC Address Spoofing leads to Inter-BSSID Isolation Bypass Resulting in Traffic Redirection","description":"A technique has been identified that adapts a known port-stealing method to Wi-Fi environments that use multiple BSSIDs. By leveraging the relationship between BSSIDs and their associated virtual ports, an attacker could potentially bypass inter-BSSID isolation controls. Successful exploitation may enable an attacker to redirect and intercept the victim's network traffic, potentially resulting in eavesdropping, session hijacking, or denial of service.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00287,"percentile":0.21496,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-03-04T16:10:02Z","modified":"2026-06-17T10:22:08Z","products":[{"vendor":"arubanetworks","product":"arubaos"},{"vendor":"hewlett packard enterprise (hpe)","product":"hpe aruba networking wireless operating system (aos-10 \u0026 aos-8)"}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05026en_us\u0026docLocale=en_US","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23809"},{"url":"https://github.com/advisories/GHSA-r2rg-jmvf-rf47"}],"sources":{"cve":[{"id":"CVE-2026-23809","title":"MAC Address Spoofing leads to Inter-BSSID Isolation Bypass Resulting in Traffic Redirection","description":"A technique has been identified that adapts a known port-stealing method to Wi-Fi environments that use multiple BSSIDs. By leveraging the relationship between BSSIDs and their associated virtual ports, an attacker could potentially bypass inter-BSSID isolation controls. Successful exploitation may enable an attacker to redirect and intercept the victim's network traffic, potentially resulting in eavesdropping, session hijacking, or denial of service.","status":"published","published":"2026-03-04T16:10:02.829Z","modified":"2026-04-01T16:22:10.71Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T13:42:26.790871Z"}],"euvd":[{"id":"EUVD-2026-9415","description":"A technique has been identified that adapts a known port-stealing method to Wi-Fi environments that use multiple BSSIDs. By leveraging the relationship between BSSIDs and their associated virtual ports, an attacker could potentially bypass inter-BSSID isolation controls. Successful exploitation may enable an attacker to redirect and intercept the victim's network traffic, potentially resulting in eavesdropping, session hijacking, or denial of service.","status":"published","published":"2026-03-04T16:10:02Z","modified":"2026-04-01T16:22:10Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:24.09733Z"}],"ghsa":[{"id":"GHSA-r2rg-jmvf-rf47","title":"A technique has been identified that adapts a known port-stealing method to Wi-Fi environments...","description":"A technique has been identified that adapts a known port-stealing method to Wi-Fi environments that use multiple BSSIDs. By leveraging the relationship between BSSIDs and their associated virtual ports, an attacker could potentially bypass inter-BSSID isolation controls. Successful exploitation may enable an attacker to redirect and intercept the victim's network traffic, potentially resulting in eavesdropping, session hijacking, or denial of service.","status":"published","published":"2026-03-04T18:31:53Z","modified":"2026-03-04T18:32:02Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:06:26.948991Z"}],"nvd":[{"id":"CVE-2026-23809","description":"A technique has been identified that adapts a known port-stealing method to Wi-Fi environments that use multiple BSSIDs. By leveraging the relationship between BSSIDs and their associated virtual ports, an attacker could potentially bypass inter-BSSID isolation controls. Successful exploitation may enable an attacker to redirect and intercept the victim's network traffic, potentially resulting in eavesdropping, session hijacking, or denial of service.","status":"published","published":"2026-03-04T17:16:18.907Z","modified":"2026-06-17T10:22:08.133Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:12:07.420927Z"}]}}