{"id":"CVE-2020-12126","aliases":["EUVD-2020-4441","GHSA-vm7v-pxq2-f7qr"],"status":"published","title":"Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4...","description":"Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to leak router settings, change configuration variables, and cause denial of service via an unauthenticated endpoint.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0129,"percentile":0.70469,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2020-10-02T08:12:53Z","modified":"2026-06-17T02:51:27Z","products":[{"vendor":"wavlink","product":"wn530h4_firmware"}],"references":[{"url":"https://www.wavlink.com/en_us/product/WL-WN530H4.html","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://cerne.xyz/bugs/CVE-2020-12126","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12126"},{"url":"https://github.com/advisories/GHSA-vm7v-pxq2-f7qr"}],"sources":{"cve":[{"id":"CVE-2020-12126","description":"Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to leak router settings, change configuration variables, and cause denial of service via an unauthenticated endpoint.","status":"published","published":"2020-10-02T08:12:53Z","modified":"2024-08-04T11:48:58.373Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-4441","description":"Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to leak router settings, change configuration variables, and cause denial of service via an unauthenticated endpoint.","status":"published","published":"2020-10-02T08:12:53Z","modified":"2024-08-04T11:48:58Z","updated_at":"2026-11-03T03:07:40.81889Z"}],"ghsa":[{"id":"GHSA-vm7v-pxq2-f7qr","title":"Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4...","description":"Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to leak router settings, change configuration variables, and cause denial of service via an unauthenticated endpoint.","status":"published","published":"2022-05-24T17:29:57Z","modified":"2023-01-29T05:04:16Z","updated_at":"2026-11-02T14:45:30.813688Z"}],"nvd":[{"id":"CVE-2020-12126","description":"Multiple authentication bypass vulnerabilities in the /cgi-bin/ endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to leak router settings, change configuration variables, and cause denial of service via an unauthenticated endpoint.","status":"published","published":"2020-10-02T09:15:13.197Z","modified":"2026-06-17T02:51:27.043Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}