{"id":"CVE-2026-30704","aliases":["EUVD-2026-12878","GHSA-8hf6-mvr9-247c"],"status":"published","title":"The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface...","description":"The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through accessible hardware pads on the PCB","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00327,"percentile":0.25988,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-912"],"published":"2026-03-18T00:00:00Z","modified":"2026-06-17T10:32:53Z","references":[{"url":"https://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong%2C%20China"},{"url":"https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/cybersecurity/cve/2026/02/18/From-Blackbox-to-Whitebox-Multiple-CVEs-in-a-Consumer-WiFi-Extender.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30704"},{"url":"https://github.com/advisories/GHSA-8hf6-mvr9-247c"}],"sources":{"cve":[{"id":"CVE-2026-30704","description":"The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through accessible hardware pads on the PCB","status":"published","published":"2026-03-18T00:00:00Z","modified":"2026-03-19T14:35:45.872Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-912"],"updated_at":"2026-11-02T13:44:07.200604Z"}],"euvd":[{"id":"EUVD-2026-12878","description":"The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through accessible hardware pads on the PCB","status":"published","published":"2026-03-18T00:00:00Z","modified":"2026-03-19T14:35:45Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T19:25:32.813864Z"}],"ghsa":[{"id":"GHSA-8hf6-mvr9-247c","title":"The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface...","description":"The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through accessible hardware pads on the PCB","status":"published","published":"2026-03-18T18:31:18Z","modified":"2026-03-19T15:32:23Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-912"],"updated_at":"2026-11-02T15:06:42.889562Z"}],"nvd":[{"id":"CVE-2026-30704","description":"The WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) exposes an unprotected UART interface through accessible hardware pads on the PCB","status":"published","published":"2026-03-18T18:16:28.077Z","modified":"2026-06-17T10:32:53.443Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-912"],"updated_at":"2026-11-02T14:12:09.735529Z"}]}}