[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fyel3Q7i3GBsYMdBA2AUvSSHSimJr-E39fQCPIGPVGcQ":3,"g5a-ex:asus\u002Frt-ac66u_b1_firmware@*":67,"g5a-family:asus\u002Frt-ac66u_b1_firmware":69},{"success":4,"data":5},true,{"product":6,"versions":21,"topVulnerabilitiesByEpss":24,"kevVulnerabilities":44,"seoMetadata":45,"meta":64},{"vendorName":7,"productName":8,"versionCount":9,"totalCves":10,"kevCount":11,"lastCveUpdate":12,"versions":13,"description":20},"asus","rt-ac66u_b1_firmware",2,3,0,"2023-08-08",[14,18],{"version":15,"cve_count":16,"kev_count":11,"has_kev":17},"3.0.0.4.286_51665",1,false,{"version":19,"cve_count":16,"kev_count":11,"has_kev":17},"3.0.0.4.386.46061","Rt-ac66u B1 Firmware by Asus is a technology product with 2 tracked versions and 3 known security vulnerabilities. Get comprehensive security analysis, vulnerability tracking, and threat intelligence for this product.",[22,23],{"version":15,"cve_count":16,"kev_count":11,"has_kev":17},{"version":19,"cve_count":16,"kev_count":11,"has_kev":17},[25,33,40],{"cveId":26,"description":27,"publishedDate":28,"cvssScore":29,"cvssVersion":30,"severity":31,"isKev":17,"epssScore":32},"CVE-2021-3128","In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware \u003C 3.0.0.4.386.42095 or \u003C 9.0.0.4.386.41994, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix and is not a local IPv6 address, and a router advertisement is received with at least one global unique IPv6 prefix for which the on-link flag is set.","2021-04-12",7.5,"v3.1","High",0.02184,{"cveId":34,"description":35,"publishedDate":36,"cvssScore":37,"cvssVersion":30,"severity":38,"isKev":17,"epssScore":39},"CVE-2021-43702","ASUS RT-A88U 3.0.0.4.386_45898 is vulnerable to Cross Site Scripting (XSS). The ASUS router admin panel does not sanitize the WiFI logs correctly, if an attacker was able to change the SSID of the router with a custom payload, they could achieve stored XSS on the device.","2022-07-05",9,"Critical",0.00976,{"cveId":41,"description":42,"publishedDate":12,"cvssScore":29,"cvssVersion":30,"severity":31,"isKev":17,"epssScore":43},"CVE-2023-39086","ASUS RT-AC66U B1 3.0.0.4.286_51665 was discovered to transmit sensitive information in cleartext.",0.00378,[],{"title":46,"metaDescription":47,"keywords":48,"structuredData":49},"Rt-ac66u B1 Firmware by Asus - Security Vulnerabilities & Analysis | Precursor Intelligence","Comprehensive security analysis for Rt-ac66u B1 Firmware by Asus covering 2 versions with 3 tracked vulnerabilities. Real-time threat intelligence, CVE tracking, and security recommendations.","Rt-ac66u B1 Firmware vulnerabilities, Rt-ac66u B1 Firmware security, Rt-ac66u B1 Firmware CVE, Asus Rt-ac66u B1 Firmware, Rt-ac66u B1 Firmware threat intelligence, Asus security, product security analysis, cybersecurity threats, vulnerability management, CVE tracking",{"@context":50,"@type":51,"name":52,"description":47,"url":53,"manufacturer":54,"applicationCategory":58,"softwareVersion":59,"mainEntity":60},"https:\u002F\u002Fschema.org","SoftwareApplication","Rt-ac66u B1 Firmware","https:\u002F\u002Fprecursorintelligence.com\u002Fvulnerabilities\u002Ftechnologies\u002Fvendors\u002Fasus\u002Frt-ac66u_b1_firmware",{"@type":55,"name":56,"url":57},"Organization","Asus","https:\u002F\u002Fprecursorintelligence.com\u002Fvendors\u002Fasus","Security Software","2 versions tracked",{"@type":61,"name":62,"description":63,"vulnerabilityCount":10,"dateModified":12},"SecurityVulnerability","Rt-ac66u B1 Firmware Security Vulnerabilities","Security vulnerabilities affecting Rt-ac66u B1 Firmware by Asus",{"totalVersions":9,"totalVulnerabilities":10,"kevVulnerabilities":11,"lastUpdated":12,"generatedAt":65,"apiVersion":66},"2026-10-19T03:02:11.109Z","3.0",{"rows":68,"total":11,"capped":17,"failed":11},[],[]]