{"id":"CVE-2023-43757","aliases":["EUVD-2023-48134","GHSA-hjvf-vwpv-9g29"],"status":"published","title":"Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and...","description":"Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent unauthenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00496,"percentile":0.42911,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-326"],"published":"2023-11-16T06:21:13Z","modified":"2026-06-17T06:26:22Z","exploits":[{"source":"pocgithub","id":"sharmashreejaa/CVE-2023-43757","title":"sharmashreejaa/CVE-2023-43757","date":"2024-02-28","url":"https://github.com/sharmashreejaa/CVE-2023-43757"}],"products":[{"vendor":"elecom","product":"lan-w300n\\/p_firmware"},{"vendor":"elecom","product":"lan-w300n\\/rs_firmware"},{"vendor":"elecom","product":"lan-w301nr_firmware"},{"vendor":"elecom","product":"lan-wh300n\\/dgp_firmware"},{"vendor":"elecom","product":"lan-wh300ndgpe_firmware"},{"vendor":"elecom","product":"wrc-1167ghbk2_firmware"},{"vendor":"elecom","product":"wrc-1167ghbk_firmware"},{"vendor":"elecom","product":"wrc-1750ghbk-e_firmware"},{"vendor":"elecom","product":"wrc-1750ghbk2-i_firmware"},{"vendor":"elecom","product":"wrc-1750ghbk_firmware"},{"vendor":"elecom","product":"wrc-2533ghbk-i_firmware"},{"vendor":"elecom","product":"wrc-2533ghbk2-t_firmware"},{"vendor":"elecom","product":"wrc-300febk_firmware"},{"vendor":"elecom","product":"wrc-300ghbk2-i_firmware"},{"vendor":"elecom","product":"wrc-300ghbk_firmware"},{"vendor":"elecom","product":"wrc-733febk_firmware"},{"vendor":"elecom","product":"wrc-733ghbk-c_firmware"},{"vendor":"elecom","product":"wrc-733ghbk-i_firmware"},{"vendor":"elecom","product":"wrc-733ghbk_firmware"},{"vendor":"elecom","product":"wrc-f1167acf_firmware"},{"vendor":"elecom","product":"wrc-f300nf_firmware"},{"vendor":"elecom","product":"wrh-150bk_firmware"},{"vendor":"elecom","product":"wrh-150wh_firmware"},{"vendor":"elecom","product":"wrh-300bk-s_firmware"},{"vendor":"elecom","product":"wrh-300bk2-s_firmware"},{"vendor":"elecom","product":"wrh-300bk_firmware"},{"vendor":"elecom","product":"wrh-300rd_firmware"},{"vendor":"elecom","product":"wrh-300sv_firmware"},{"vendor":"elecom","product":"wrh-300wh-h_firmware"},{"vendor":"elecom","product":"wrh-300wh-s_firmware"},{"vendor":"elecom","product":"wrh-300wh2-s_firmware"},{"vendor":"elecom","product":"wrh-300wh_firmware"},{"vendor":"elecom","product":"wrh-h300bk_firmware"},{"vendor":"elecom","product":"wrh-h300wh_firmware"},{"vendor":"elecom co.,ltd.","product":"lan-w300n/p"},{"vendor":"elecom co.,ltd.","product":"lan-w300n/rs"},{"vendor":"elecom co.,ltd.","product":"lan-w301nr"},{"vendor":"elecom co.,ltd.","product":"lan-wh300n/dgp"},{"vendor":"elecom co.,ltd.","product":"lan-wh300ndgpe"},{"vendor":"elecom co.,ltd.","product":"wrc-1167ghbk"},{"vendor":"elecom co.,ltd.","product":"wrc-1167ghbk2"},{"vendor":"elecom co.,ltd.","product":"wrc-1750ghbk"},{"vendor":"elecom co.,ltd.","product":"wrc-1750ghbk-e"},{"vendor":"elecom co.,ltd.","product":"wrc-1750ghbk2-i"},{"vendor":"elecom co.,ltd.","product":"wrc-2533ghbk-i"},{"vendor":"elecom co.,ltd.","product":"wrc-2533ghbk2-t"},{"vendor":"elecom co.,ltd.","product":"wrc-300febk"},{"vendor":"elecom co.,ltd.","product":"wrc-300ghbk"},{"vendor":"elecom co.,ltd.","product":"wrc-300ghbk2-i"},{"vendor":"elecom co.,ltd.","product":"wrc-733febk"},{"vendor":"elecom co.,ltd.","product":"wrc-733ghbk"},{"vendor":"elecom co.,ltd.","product":"wrc-733ghbk-c"},{"vendor":"elecom co.,ltd.","product":"wrc-733ghbk-i"},{"vendor":"elecom co.,ltd.","product":"wrc-f1167acf"},{"vendor":"elecom co.,ltd.","product":"wrc-f300nf"},{"vendor":"elecom co.,ltd.","product":"wrh-150bk"},{"vendor":"elecom co.,ltd.","product":"wrh-150wh"},{"vendor":"elecom co.,ltd.","product":"wrh-300bk"},{"vendor":"elecom co.,ltd.","product":"wrh-300bk-s"},{"vendor":"elecom co.,ltd.","product":"wrh-300bk2-s"},{"vendor":"elecom co.,ltd.","product":"wrh-300rd"},{"vendor":"elecom co.,ltd.","product":"wrh-300sv"},{"vendor":"elecom co.,ltd.","product":"wrh-300wh"},{"vendor":"elecom co.,ltd.","product":"wrh-300wh-h"},{"vendor":"elecom co.,ltd.","product":"wrh-300wh-s"},{"vendor":"elecom co.,ltd.","product":"wrh-300wh2-s"},{"vendor":"elecom co.,ltd.","product":"wrh-h300bk"},{"vendor":"elecom co.,ltd.","product":"wrh-h300wh"}],"references":[{"url":"https://www.elecom.co.jp/news/security/20231114-01/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.elecom.co.jp/news/security/20230810-01/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.elecom.co.jp/news/security/20210706-01/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU94119876/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43757"},{"url":"https://github.com/advisories/GHSA-hjvf-vwpv-9g29"}],"sources":{"cve":[{"id":"CVE-2023-43757","description":"Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent unauthenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.","status":"published","published":"2023-11-16T06:21:13.445Z","modified":"2024-08-02T19:52:10.967Z","updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-48134","description":"Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent unauthenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.","status":"published","published":"2023-11-16T06:21:13Z","modified":"2024-08-02T19:52:10Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"none"}],"updated_at":"2026-11-03T03:49:59.530903Z"}],"ghsa":[{"id":"GHSA-hjvf-vwpv-9g29","title":"Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and...","description":"Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent unauthenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.","status":"published","published":"2023-11-16T09:30:24Z","modified":"2023-12-01T21:30:26Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:55:08.580325Z"}],"nvd":[{"id":"CVE-2023-43757","description":"Inadequate encryption strength vulnerability in multiple routers provided by ELECOM CO.,LTD. and LOGITEC CORPORATION allows a network-adjacent unauthenticated attacker to guess the encryption key used for wireless LAN communication and intercept the communication. As for the affected products/versions, see the information provided by the vendor under [References] section.","status":"published","published":"2023-11-16T07:15:08.6Z","modified":"2026-06-17T06:26:22.75Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:08:47.966245Z"}]}}