{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-21T14:46:59.904","vulnerabilities":[{"cve":{"id":"CVE-2023-39240","sourceIdentifier":"twcert@cert.org.tw","published":"2023-09-07T08:15:07.710","lastModified":"2026-06-17T06:11:49.840","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"\nIt is identified a format string vulnerability in ASUS RT-AX56U V2’s iperf client function API. This vulnerability is caused by lacking validation for a specific value within its set_iperf3_cli.cgi module. A remote attacker with administrator privilege can exploit this vulnerability to perform remote arbitrary code execution, arbitrary system operation or disrupt service.\n\n"},{"lang":"es","value":"Se identificó una vulnerabilidad de cadena de formato en la API de función de cliente iperf de ASUS RT-AX56U V2. Esta vulnerabilidad se debe a la falta de validación para un valor específico dentro de su módulo set_iperf3_cli.cgi. Un atacante remoto no autenticado puede aprovechar esta vulnerabilidad sin privilegios para realizar la ejecución remota de código arbitrario, el funcionamiento arbitrario del sistema o interrumpir el servicio."}],"affected":[{"source":"twcert@cert.org.tw","affectedData":[{"vendor":"ASUS","product":"RT-AX55","defaultStatus":"unaffected","versions":[{"version":"3.0.0.4.386_50460","status":"affected"}]},{"vendor":"ASUS","product":"RT-AX56U_V2","defaultStatus":"unaffected","versions":[{"version":"3.0.0.4.386_50460","status":"affected"}]}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","affectedData":[{"vendor":"asus","product":"rt-ax56u_v2","defaultStatus":"unknown","cpes":["cpe:2.3:h:asus:rt-ax56u_v2:-:*:*:*:*:*:*:*"],"versions":[{"version":"3.0.0.4.386.50460","status":"affected"}]},{"vendor":"asus","product":"rt-ax55","defaultStatus":"unknown","cpes":["cpe:2.3:h:asus:rt-ax55:-:*:*:*:*:*:*:*"],"versions":[{"version":"3.0.0.4.386_50460","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"twcert@cert.org.tw","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-09-26T19:18:03.026290Z","id":"CVE-2023-39240","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"twcert@cert.org.tw","type":"Secondary","description":[{"lang":"en","value":"CWE-134"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:asus:rt-ax55_firmware:3.0.0.4.386_50460:*:*:*:*:*:*:*","matchCriteriaId":"55D08B1A-85B6-4501-8998-E308F7633DF9"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:asus:rt-ax55:-:*:*:*:*:*:*:*","matchCriteriaId":"B8F27D4F-EDC4-4676-8C66-545378850BF1"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:asus:rt-ax56u_v2_firmware:3.0.0.4.386_50460:*:*:*:*:*:*:*","matchCriteriaId":"7201F0D9-5111-414B-8756-3B36838193CD"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:asus:rt-ax56u_v2:-:*:*:*:*:*:*:*","matchCriteriaId":"FFFF5EF7-E4EC-4DA0-82B4-9996087B951F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:asus:rt-ac86u_firmware:3.0.0.4_386_51529:*:*:*:*:*:*:*","matchCriteriaId":"E3A1AA3F-0CCF-41B0-B8D7-2D72D82C0261"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:asus:rt-ac86u:-:*:*:*:*:*:*:*","matchCriteriaId":"89095282-ABBD-4056-B731-7F05638DB1A6"}]}]}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-7356-021bf-1.html","source":"twcert@cert.org.tw","tags":["Third Party Advisory"]},{"url":"https://www.twcert.org.tw/tw/cp-132-7356-021bf-1.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}