{"id":"CVE-2026-36539","aliases":["EUVD-2026-32686","GHSA-qj5w-m4qh-7h99"],"status":"published","title":"Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the...","description":"Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the entire router configuration as a JSON response with no authentication required. Any attacker on the LAN can send a single HTTP GET request and instantly retrieve administrator credentials, WiFi passwords, PPPoE credentials, DDNS credentials, and a full map of all connected devices.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00358,"percentile":0.29959,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200"],"published":"2026-05-27T00:00:00Z","modified":"2026-06-17T10:41:08Z","exploits":[{"source":"pocgithub","id":"khaleedbt/netis-cve-2026-36539","title":"khaleedbt/netis-cve-2026-36539","date":"2026-09-24","url":"https://github.com/khaleedbt/netis-cve-2026-36539"}],"references":[{"url":"https://github.com/sir3ns/cve-disclosure/blob/main/CVE-2026-36539/readme.md","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-36539"},{"url":"https://github.com/advisories/GHSA-qj5w-m4qh-7h99"}],"sources":{"cve":[{"id":"CVE-2026-36539","description":"Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the entire router configuration as a JSON response with no authentication required. Any attacker on the LAN can send a single HTTP GET request and instantly retrieve administrator credentials, WiFi passwords, PPPoE credentials, DDNS credentials, and a full map of all connected devices.","status":"published","published":"2026-05-27T00:00:00Z","modified":"2026-05-28T13:36:27.542Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"adp"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:19:55.176387Z"}],"euvd":[{"id":"EUVD-2026-32686","description":"Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the entire router configuration as a JSON response with no authentication required. Any attacker on the LAN can send a single HTTP GET request and instantly retrieve administrator credentials, WiFi passwords, PPPoE credentials, DDNS credentials, and a full map of all connected devices.","status":"published","published":"2026-05-27T00:00:00Z","modified":"2026-05-28T13:36:27Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T18:21:02.581093Z"}],"ghsa":[{"id":"GHSA-qj5w-m4qh-7h99","title":"Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the...","description":"Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the entire router configuration as a JSON response with no authentication required. Any attacker on the LAN can send a single HTTP GET request and instantly retrieve administrator credentials, WiFi passwords, PPPoE credentials, DDNS credentials, and a full map of all connected devices.","status":"published","published":"2026-05-27T15:33:11Z","modified":"2026-05-28T15:39:44Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:08:21.544183Z"}],"nvd":[{"id":"CVE-2026-36539","description":"Netis AC1200 Router NC21 V4.0.1.4296 exposes a CGI endpoint /cgi-bin/skk_get.cgi that returns the entire router configuration as a JSON response with no authentication required. Any attacker on the LAN can send a single HTTP GET request and instantly retrieve administrator credentials, WiFi passwords, PPPoE credentials, DDNS credentials, and a full map of all connected devices.","status":"published","published":"2026-05-27T14:16:45.527Z","modified":"2026-06-17T10:41:08.397Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:20.511562Z"}]}}