[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fso1-YkzBSpTL1fZ5k_shWt_PhVuRUpuhJW93bs3gc4s":3,"g5a-ex:zyxel\u002Fnsg300_firmware@*":65,"g5a-family:zyxel\u002Fnsg300_firmware":67},{"success":4,"data":5},true,{"product":6,"versions":20,"topVulnerabilitiesByEpss":23,"kevVulnerabilities":42,"seoMetadata":43,"meta":62},{"vendorName":7,"productName":8,"versionCount":9,"totalCves":10,"kevCount":11,"lastCveUpdate":12,"versions":13,"description":19},"zyxel","nsg300_firmware",2,3,0,"2022-05-24",[14,17],{"version":15,"cve_count":11,"kev_count":11,"has_kev":16},"1.20",false,{"version":18,"cve_count":10,"kev_count":11,"has_kev":16},"1.33","Nsg300 Firmware by Zyxel 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.",[21,22],{"version":15,"cve_count":11,"kev_count":11,"has_kev":16},{"version":18,"cve_count":10,"kev_count":11,"has_kev":16},[24,32,38],{"cveId":25,"description":26,"publishedDate":27,"cvssScore":28,"cvssVersion":29,"severity":30,"isKev":16,"epssScore":31},"CVE-2022-0342","An authentication bypass vulnerability in the CGI program of Zyxel USG\u002FZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.32 through 5.20, VPN series firmware versions 4.30 through 5.20, and NSG series firmware versions V1.20 through V1.33 Patch 4, which could allow an attacker to bypass the web authentication and obtain administrative access of the device.","2022-03-28",9.8,"v3.1","Critical",0.95134,{"cveId":33,"description":34,"publishedDate":12,"cvssScore":35,"cvssVersion":29,"severity":36,"isKev":16,"epssScore":37},"CVE-2022-26531","Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG\u002FZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to cause a buffer overflow or a system crash via a crafted payload.",7.8,"High",0.06175,{"cveId":39,"description":40,"publishedDate":12,"cvssScore":35,"cvssVersion":29,"severity":36,"isKev":16,"epssScore":41},"CVE-2022-26532","A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG\u002FZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to execute arbitrary OS commands by including crafted arguments to the CLI command.",0.04829,[],{"title":44,"metaDescription":45,"keywords":46,"structuredData":47},"Nsg300 Firmware by Zyxel - Security Vulnerabilities & Analysis | Precursor Intelligence","Comprehensive security analysis for Nsg300 Firmware by Zyxel covering 2 versions with 3 tracked vulnerabilities. Real-time threat intelligence, CVE tracking, and security recommendations.","Nsg300 Firmware vulnerabilities, Nsg300 Firmware security, Nsg300 Firmware CVE, Zyxel Nsg300 Firmware, Nsg300 Firmware threat intelligence, Zyxel security, product security analysis, cybersecurity threats, vulnerability management, CVE tracking",{"@context":48,"@type":49,"name":50,"description":45,"url":51,"manufacturer":52,"applicationCategory":56,"softwareVersion":57,"mainEntity":58},"https:\u002F\u002Fschema.org","SoftwareApplication","Nsg300 Firmware","https:\u002F\u002Fprecursorintelligence.com\u002Fvulnerabilities\u002Ftechnologies\u002Fvendors\u002Fzyxel\u002Fnsg300_firmware",{"@type":53,"name":54,"url":55},"Organization","Zyxel","https:\u002F\u002Fprecursorintelligence.com\u002Fvendors\u002Fzyxel","Security Software","2 versions tracked",{"@type":59,"name":60,"description":61,"vulnerabilityCount":10,"dateModified":12},"SecurityVulnerability","Nsg300 Firmware Security Vulnerabilities","Security vulnerabilities affecting Nsg300 Firmware by Zyxel",{"totalVersions":9,"totalVulnerabilities":10,"kevVulnerabilities":11,"lastUpdated":12,"generatedAt":63,"apiVersion":64},"2026-10-18T21:30:23.355Z","3.0",{"rows":66,"total":11,"capped":16,"failed":11},[],[]]