[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fcHd9_80I1OVATTMvNp_WqBDeCh5ll5CxwbDdRNv356A":3,"g5a-family:zyxel\u002Fusg_flex_200_firmware":148,"g5a-ex:zyxel\u002Fusg_flex_200_firmware@*":149},{"success":4,"data":5},true,{"product":6,"versions":40,"topVulnerabilitiesByEpss":51,"kevVulnerabilities":107,"seoMetadata":126,"meta":145},{"vendorName":7,"productName":8,"versionCount":9,"totalCves":10,"kevCount":11,"lastCveUpdate":12,"versions":13,"description":39},"zyxel","usg_flex_200_firmware",10,34,5,"2024-02-20",[14,18,20,23,25,27,29,31,33,36],{"version":15,"cve_count":16,"kev_count":16,"has_kev":17},"4.35",0,false,{"version":19,"cve_count":16,"kev_count":16,"has_kev":17},"4.50",{"version":21,"cve_count":22,"kev_count":22,"has_kev":4},"4.60",1,{"version":24,"cve_count":16,"kev_count":16,"has_kev":17},"5.00",{"version":26,"cve_count":16,"kev_count":16,"has_kev":17},"5.01",{"version":28,"cve_count":16,"kev_count":16,"has_kev":17},"5.20",{"version":30,"cve_count":16,"kev_count":16,"has_kev":17},"5.30",{"version":32,"cve_count":16,"kev_count":16,"has_kev":17},"5.35",{"version":34,"cve_count":35,"kev_count":35,"has_kev":4},"5.36",2,{"version":37,"cve_count":38,"kev_count":16,"has_kev":17},"5.37",4,"Usg Flex 200 Firmware by Zyxel is a technology product with 10 tracked versions and 34 known security vulnerabilities including 5 CISA Known Exploited Vulnerabilities. Get comprehensive security analysis, vulnerability tracking, and threat intelligence for this product.",[41,42,43,44,45,46,47,48,49,50],{"version":15,"cve_count":16,"kev_count":16,"has_kev":17},{"version":19,"cve_count":16,"kev_count":16,"has_kev":17},{"version":21,"cve_count":22,"kev_count":22,"has_kev":4},{"version":24,"cve_count":16,"kev_count":16,"has_kev":17},{"version":26,"cve_count":16,"kev_count":16,"has_kev":17},{"version":28,"cve_count":16,"kev_count":16,"has_kev":17},{"version":30,"cve_count":16,"kev_count":16,"has_kev":17},{"version":32,"cve_count":16,"kev_count":16,"has_kev":17},{"version":34,"cve_count":35,"kev_count":35,"has_kev":4},{"version":37,"cve_count":38,"kev_count":16,"has_kev":17},[52,60,65,70,75,80,84,91,98,103],{"cveId":53,"description":54,"publishedDate":55,"cvssScore":56,"cvssVersion":57,"severity":58,"isKev":4,"epssScore":59},"CVE-2022-30525","A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.","2022-05-12",9.8,"v3.1","Critical",0.99944,{"cveId":61,"description":62,"publishedDate":63,"cvssScore":56,"cvssVersion":57,"severity":58,"isKev":4,"epssScore":64},"CVE-2023-28771","Improper error message handling in Zyxel ZyWALL\u002FUSG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.","2023-04-25",0.99284,{"cveId":66,"description":67,"publishedDate":68,"cvssScore":56,"cvssVersion":57,"severity":58,"isKev":17,"epssScore":69},"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",0.95134,{"cveId":71,"description":72,"publishedDate":73,"cvssScore":56,"cvssVersion":57,"severity":58,"isKev":4,"epssScore":74},"CVE-2020-29583","Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.","2020-12-22",0.90155,{"cveId":76,"description":77,"publishedDate":78,"cvssScore":56,"cvssVersion":57,"severity":58,"isKev":4,"epssScore":79},"CVE-2023-33010","A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL\u002FUSG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.","2023-05-24",0.29024,{"cveId":81,"description":82,"publishedDate":78,"cvssScore":56,"cvssVersion":57,"severity":58,"isKev":4,"epssScore":83},"CVE-2023-33009","A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL\u002FUSG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.\n\n",0.28144,{"cveId":85,"description":86,"publishedDate":87,"cvssScore":88,"cvssVersion":57,"severity":89,"isKev":17,"epssScore":90},"CVE-2023-33012","A command injection vulnerability in the configuration parser of the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2,  USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted GRE configuration when the cloud management mode is enabled.","2023-07-17",8.8,"High",0.09882,{"cveId":92,"description":93,"publishedDate":94,"cvssScore":95,"cvssVersion":57,"severity":96,"isKev":17,"epssScore":97},"CVE-2022-0734","A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG\u002FZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.35 through 5.20, and VPN series firmware versions 4.35 through 5.20, that could allow an attacker to obtain some information stored in the user's browser, such as cookies or session tokens, via a malicious script.","2022-05-24",6.1,"Medium",0.09402,{"cveId":99,"description":100,"publishedDate":94,"cvssScore":101,"cvssVersion":57,"severity":89,"isKev":17,"epssScore":102},"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.",7.8,0.06175,{"cveId":104,"description":105,"publishedDate":94,"cvssScore":101,"cvssVersion":57,"severity":89,"isKev":17,"epssScore":106},"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,[108,113,115,119,122],{"cveId":81,"description":82,"publishedDate":78,"cvssScore":56,"severity":58,"isKev":4,"epssScore":83,"cisaVulnName":109,"cisaDateAdded":110,"cisaShortDescription":111,"cisaRequiredAction":112},"Zyxel Multiple Firewalls Buffer Overflow Vulnerability","2023-06-05","Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL\u002FUSG firewalls contain a buffer overflow vulnerability in the notification function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.","Apply updates per vendor instructions.",{"cveId":76,"description":77,"publishedDate":78,"cvssScore":56,"severity":58,"isKev":4,"epssScore":79,"cisaVulnName":109,"cisaDateAdded":110,"cisaShortDescription":114,"cisaRequiredAction":112},"Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL\u002FUSG firewalls contain a buffer overflow vulnerability in the ID processing function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.",{"cveId":61,"description":62,"publishedDate":63,"cvssScore":56,"severity":58,"isKev":4,"epssScore":64,"cisaVulnName":116,"cisaDateAdded":117,"cisaShortDescription":118,"cisaRequiredAction":112},"Zyxel Multiple Firewalls OS Command Injection Vulnerability","2023-05-31","Zyxel ATP, USG FLEX, VPN, and ZyWALL\u002FUSG firewalls allow for improper error message handling which could allow an unauthenticated attacker to execute OS commands remotely by sending crafted packets to an affected device.",{"cveId":53,"description":54,"publishedDate":55,"cvssScore":56,"severity":58,"isKev":4,"epssScore":59,"cisaVulnName":116,"cisaDateAdded":120,"cisaShortDescription":121,"cisaRequiredAction":112},"2022-05-16","A command injection vulnerability in the CGI program of some Zyxel firewall versions could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.",{"cveId":71,"description":72,"publishedDate":73,"cvssScore":56,"severity":58,"isKev":4,"epssScore":74,"cisaVulnName":123,"cisaDateAdded":124,"cisaShortDescription":125,"cisaRequiredAction":112},"Zyxel Multiple Products Use of Hard-Coded Credentials Vulnerability","2021-11-03","Zyxel firewalls (ATP, USG, VM) and AP Controllers (NXC2500 and NXC5500) contain a use of hard-coded credentials vulnerability in an undocumented account (\"zyfwp\") with an unchangeable password.",{"title":127,"metaDescription":128,"keywords":129,"structuredData":130},"Usg Flex 200 Firmware by Zyxel - Security Vulnerabilities & Analysis | Precursor Intelligence","Comprehensive security analysis for Usg Flex 200 Firmware by Zyxel covering 10 versions with 34 tracked vulnerabilities including 5 critical and 0 high-severity issues and 5 CISA KEV vulnerabilities. Real-time threat intelligence, CVE tracking, and security recommendations.","Usg Flex 200 Firmware vulnerabilities, Usg Flex 200 Firmware security, Usg Flex 200 Firmware CVE, Zyxel Usg Flex 200 Firmware, Usg Flex 200 Firmware threat intelligence, Zyxel security, product security analysis, cybersecurity threats, vulnerability management, CVE tracking, Usg Flex 200 Firmware KEV, Usg Flex 200 Firmware exploited vulnerabilities",{"@context":131,"@type":132,"name":133,"description":128,"url":134,"manufacturer":135,"applicationCategory":139,"softwareVersion":140,"mainEntity":141},"https:\u002F\u002Fschema.org","SoftwareApplication","Usg Flex 200 Firmware","https:\u002F\u002Fprecursorintelligence.com\u002Fvulnerabilities\u002Ftechnologies\u002Fvendors\u002Fzyxel\u002Fusg_flex_200_firmware",{"@type":136,"name":137,"url":138},"Organization","Zyxel","https:\u002F\u002Fprecursorintelligence.com\u002Fvendors\u002Fzyxel","Security Software","10 versions tracked",{"@type":142,"name":143,"description":144,"vulnerabilityCount":10,"dateModified":12},"SecurityVulnerability","Usg Flex 200 Firmware Security Vulnerabilities","Security vulnerabilities affecting Usg Flex 200 Firmware by Zyxel",{"totalVersions":9,"totalVulnerabilities":10,"kevVulnerabilities":11,"lastUpdated":12,"generatedAt":146,"apiVersion":147},"2026-10-18T19:55:29.171Z","3.0",[],{"rows":150,"total":11,"capped":17,"failed":16},[151,157,162,166,171],{"cveId":81,"name":109,"severity":58,"cvss":56,"added":110,"epss":83,"published":152,"ranges":153,"checked":4,"hits":156,"covers":17},"2023-05-24T13:15:09.56",[154,34,155],"4.60 to before 5.36","5.36-patch1",[],{"cveId":76,"name":109,"severity":58,"cvss":56,"added":110,"epss":79,"published":158,"ranges":159,"checked":4,"hits":161,"covers":17},"2023-05-24T13:15:09.64",[160,34,155],"4.50 to before 5.36",[],{"cveId":61,"name":116,"severity":58,"cvss":56,"added":117,"epss":64,"published":163,"ranges":164,"checked":4,"hits":165,"covers":17},"2023-04-25T02:15:08.743",[154],[],{"cveId":53,"name":116,"severity":58,"cvss":56,"added":120,"epss":59,"published":167,"ranges":168,"checked":4,"hits":170,"covers":17},"2022-05-12T14:15:07.053",[169],"5.00 to before 5.30",[],{"cveId":71,"name":123,"severity":58,"cvss":56,"added":124,"epss":74,"published":172,"ranges":173,"checked":4,"hits":174,"covers":17},"2020-12-22T22:15:14.443",[21],[]]