{"id":"CVE-2021-20730","aliases":["EUVD-2021-8144","GHSA-g265-pf9w-jhwr"],"status":"published","title":"Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR...","description":"Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00368,"percentile":0.31083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-06-09T01:05:23Z","modified":"2026-06-17T03:34:20Z","products":[{"vendor":"buffalo","product":"wsr-1166dhp3_firmware"},{"vendor":"buffalo","product":"wsr-1166dhp4_firmware"},{"vendor":"buffalo inc.","product":"wsr-1166dhp3 and wsr-1166dhp4"}],"references":[{"url":"https://www.buffalo.jp/news/detail/20210531-01.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU92862829/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20730"},{"url":"https://github.com/advisories/GHSA-g265-pf9w-jhwr"}],"sources":{"cve":[{"id":"CVE-2021-20730","description":"Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.","status":"published","published":"2021-06-09T01:05:23Z","modified":"2024-08-03T17:53:21.832Z","updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-8144","description":"Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.","status":"published","published":"2021-06-09T01:05:23Z","modified":"2024-08-03T17:53:21Z","updated_at":"2026-11-03T03:25:08.33351Z"}],"ghsa":[{"id":"GHSA-g265-pf9w-jhwr","title":"Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR...","description":"Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.","status":"published","published":"2022-05-24T19:04:45Z","modified":"2023-01-27T05:02:49Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:42:06.500861Z"}],"nvd":[{"id":"CVE-2021-20730","description":"Improper access control vulnerability in WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allows an attacker to obtain configuration information via unspecified vectors.","status":"published","published":"2021-06-09T02:15:06.75Z","modified":"2026-06-17T03:34:20.053Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}