{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T03:23:26.084","vulnerabilities":[{"cve":{"id":"CVE-2021-20859","sourceIdentifier":"vultures@jpcert.or.jp","published":"2021-12-01T03:15:07.030","lastModified":"2024-11-21T05:47:17.597","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a network-adjacent authenticated attacker to execute an arbitrary OS command via unspecified vectors."},{"lang":"es","value":"Los routers LAN de ELECOM (firmware WRC-1167GST2 versiones v1.25 y anteriores, firmware WRC-1167GST2A versiones v1.25 y anteriores, firmware WRC-1167GST2H versiones v1.25 y anteriores, firmware WRC-2533GS2-B versiones v1. 52 y anteriores, firmware WRC-2533GS2-W versiones v1.52 y anteriores, firmware WRC-1750GS versiones v1.03 y anteriores, firmware WRC-1750GSV versiones v2.11 y anteriores, firmware WRC-1900GST versiones v1.03 y anteriores, firmware WRC-2533GST versiones v1.03 y anteriores, firmware WRC-2533GSTA versiones v1.03 y anteriores, firmware WRC-2533GST2 versiones v1.25 y anteriores, firmware WRC-2533GST2SP versiones v1.25 y anteriores, firmware WRC-2533GST2-G versiones v1.25 y anteriores, y firmware EDWRC-2533GST2 versiones v1.25 y anteriores) permite a un atacante autenticado adyacente a la red ejecutar un comando arbitrario del sistema operativo por medio de vectores no especificados"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.0,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.1,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:S/C:C/I:C/A:C","baseScore":7.7,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":5.1,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-78"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-1167gst2_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.25","matchCriteriaId":"D3AA3E1E-07AE-4152-A492-C3399A944BF7"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-1167gst2:-:*:*:*:*:*:*:*","matchCriteriaId":"F9045F74-985E-4C3C-AC10-14FD9B61A746"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-1167gst2a_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.25","matchCriteriaId":"AC52913C-AD35-469D-8F67-0CBD929E7CC5"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-1167gst2a:-:*:*:*:*:*:*:*","matchCriteriaId":"A33E8405-7457-4867-A4A5-360E173F69C3"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-1167gst2h_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.25","matchCriteriaId":"9E89A906-6747-4375-9027-598803400260"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-1167gst2h:-:*:*:*:*:*:*:*","matchCriteriaId":"56272E8D-141C-4BBC-9950-BD673DE78DF7"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-2533gs2-b_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.52","matchCriteriaId":"838C19DE-7992-40DB-996B-9F3F2C0A6B5B"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-2533gs2-b:-:*:*:*:*:*:*:*","matchCriteriaId":"D9FF3CB7-7F2E-472A-A2A3-ED599F4FC99C"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-2533gs2-w_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.52","matchCriteriaId":"CBD1BE1F-5197-4EFD-B34F-D39D97E07900"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-2533gs2-w:-:*:*:*:*:*:*:*","matchCriteriaId":"ECD9F0FE-1232-4C39-AA86-2D616E4D39C6"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-1750gs_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.03","matchCriteriaId":"0B90ED83-CB98-452B-A34C-F86256F2C1FF"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-1750gs:-:*:*:*:*:*:*:*","matchCriteriaId":"5F0C77E9-CD6E-498E-954B-A930EDB56CEB"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-1750gsv_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"2.11","matchCriteriaId":"8A65A768-A630-4804-9746-FCBBF17EEC63"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-1750gsv:-:*:*:*:*:*:*:*","matchCriteriaId":"B805C94F-F3EA-4DF2-9BD0-82F5A3CC1AA3"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-1900gst_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.03","matchCriteriaId":"8A570270-DF00-4D05-8E38-09F465E4B4CA"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-1900gst:-:*:*:*:*:*:*:*","matchCriteriaId":"C37FA743-9A1C-4817-9002-5B4A0D55EB30"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:elecom:wrc-2533gst_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.03","matchCriteriaId":"20A7CDAF-5B21-4D45-AEE7-F23374ABE11D"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:elecom:wrc-2533gst:-:*:*:*:*:*:*:*","matchCriteriaId":"061E2CC5-C26D-4A99-B7B6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