[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7nJ-Mkf7J3Pc9u3_AwtJFt9b5CCg2ioGzKhAMnfwEFU":3,"g5a-risk:CVE-2021-45623":158},{"success":4,"data":5,"meta":156},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":48,"epssPercentile":27,"epssTimeSeries":49,"severity":50,"affectedProducts":51,"affectedProductsCount":73,"references":74,"referencesCount":81,"weaknesses":82,"weaknessesCount":81,"isActivelyExploited":91,"cisaInfo":27,"otxData":27,"relatedBlogPosts":92,"seoMetadata":93,"configurations":118,"relatedVendorCves":154,"notableEvents":155},"CVE-2021-45623","What is CVE-2021-45623?","Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.","Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500...","2021-12-26T01:15:18.87","2022-01-05T20:59:35.26",9.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":39,"CVSSMetricV40":27},[16,30],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":25,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH","CRITICAL",null,3.9,5.9,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":37,"ImpactScore":38},"cve@mitre.org","Secondary",{"Version":20,"VectorString":34,"AttackVector":35,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":22,"BaseScore":36,"BaseSeverity":25,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":22,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"CVSS:3.1\u002FAV:A\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:L","ADJACENT_NETWORK",8.3,2.8,5.5,[40],{"Source":17,"Type":18,"CVSSData":41,"BaseSeverity":25,"ExploitabilityScore":46,"ImpactScore":47,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":42,"VectorString":43,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":44,"IntegrityImpact":44,"AvailabilityImpact":44,"BaseScore":45,"BaseSeverity":27,"Exploitability":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"CollateralDamagePotential":27,"TargetDistribution":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"EnvironmentalScore":27},"2.0","AV:N\u002FAC:L\u002FAu:N\u002FC:P\u002FI:P\u002FA:P","PARTIAL",7.5,10,6.4,0.01687,[48,48,48,48,48,48,48],"Critical",[52,57,61,64,67,70],{"vendor":53,"product":54,"version":55,"criteria":56,"vulnerable":4},"netgear","r7800_firmware","*","cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*",{"vendor":53,"product":58,"version":59,"criteria":60,"vulnerable":4},"r7800","-","cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*",{"vendor":53,"product":62,"version":55,"criteria":63,"vulnerable":4},"r9000_firmware","cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*",{"vendor":53,"product":65,"version":59,"criteria":66,"vulnerable":4},"r9000","cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*",{"vendor":53,"product":68,"version":55,"criteria":69,"vulnerable":4},"xr500_firmware","cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:*",{"vendor":53,"product":71,"version":59,"criteria":72,"vulnerable":4},"xr500","cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:*",6,[75],{"url":76,"source":77,"tags":78},"https:\u002F\u002Fkb.netgear.com\u002F000064449\u002FSecurity-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0203","Netgear",[79,80],"Patch","Vendor Advisory",1,[83],{"id":84,"name":85,"description":86,"extendedDescription":87,"status":88,"abstraction":89,"structure":90},"CWE-77","Improper Neutralization of Special Elements used in a Command ('Command Injection')","The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.","Many protocols and products have their own custom command language. While OS or shell command strings are frequently discovered and targeted, developers may not realize that these other command languages might also be vulnerable to attacks.","Draft","Class","Simple",false,[],{"title":94,"metaDescription":95,"keywords":96,"canonicalUrl":97,"structuredData":98},"What is CVE-2021-45623? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-45623, a critical severity cyber security vulnerability from 2021. Certain NETGEAR devices are affected by command injecti...","CVE-2021-45623, CVE-2021-45623 vulnerability, CVE-2021-45623 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, netgear security, r7800_firmware vulnerability, r7800 vulnerability, r9000_firmware vulnerability, r9000 vulnerability, xr500_firmware vulnerability","\u002Fwhat-is\u002Fcve-2021-45623",{"@context":99,"@type":100,"headline":94,"description":95,"datePublished":10,"dateModified":11,"author":101,"publisher":105,"about":109,"mainEntityOfPage":113,"articleSection":116,"keywords":117},"https:\u002F\u002Fschema.org","TechArticle",{"@type":102,"name":103,"url":104},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":102,"name":103,"url":104,"logo":106},{"@type":107,"url":108},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":110,"name":6,"description":111,"additionalType":112},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":114,"@id":115},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-45623","Cybersecurity","CVE-2021-45623, CVE-2021-45623 vulnerability, CVE-2021-45623 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[119,132,143],{"Operator":120,"Negate":27,"Nodes":121},"AND",[122,128],{"Operator":123,"Negate":27,"CPEMatch":124},"OR",[125],{"Vulnerable":4,"Criteria":56,"MatchCriteriaID":126,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":127,"VersionEndIncluding":27},"C393DBF4-8281-4611-B591-CDB9DF0AA958","1.0.2.74",{"Operator":123,"Negate":27,"CPEMatch":129},[130],{"Vulnerable":27,"Criteria":60,"MatchCriteriaID":131,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"17CF7445-6950-45FE-9D1A-E23F63316329",{"Operator":120,"Negate":27,"Nodes":133},[134,139],{"Operator":123,"Negate":27,"CPEMatch":135},[136],{"Vulnerable":4,"Criteria":63,"MatchCriteriaID":137,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":138,"VersionEndIncluding":27},"A3A5762A-D32D-459B-B6CE-C54F8704BDEF","1.0.5.2",{"Operator":123,"Negate":27,"CPEMatch":140},[141],{"Vulnerable":27,"Criteria":66,"MatchCriteriaID":142,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"D74F1BFC-562E-4E7D-BBAB-2F8B593B5A57",{"Operator":120,"Negate":27,"Nodes":144},[145,150],{"Operator":123,"Negate":27,"CPEMatch":146},[147],{"Vulnerable":4,"Criteria":69,"MatchCriteriaID":148,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":149,"VersionEndIncluding":27},"0BCFB551-95C6-4EEF-83F0-4246F67E6668","2.3.2.66",{"Operator":123,"Negate":27,"CPEMatch":151},[152],{"Vulnerable":27,"Criteria":72,"MatchCriteriaID":153,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"9E203D92-F97B-4F5B-B395-3A5DEDBF1C1C",[],[],{"lastModified":11,"cacheTime":157,"version":42},1792443262308,{"score":159,"band":160,"action":161,"scoredAt":162},55,"Medium","Plan remediation","2026-10-16T06:52:48.873302+00:00"]