[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fO2HiBaxquF8eGLOKZhtgATbU_MHPqss0i6gZxjzWx1k":3,"g5a-risk:CVE-2021-44247":155},{"success":4,"data":5,"meta":153},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":27,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":66,"references":67,"referencesCount":74,"weaknesses":75,"weaknessesCount":74,"isActivelyExploited":84,"cisaInfo":27,"otxData":27,"relatedBlogPosts":85,"seoMetadata":86,"configurations":111,"relatedVendorCves":144,"notableEvents":145},"CVE-2021-44247","What is CVE-2021-44247?","Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain command injection vulnerability in the function setNoticeCfg. This vulnerability allows attackers to execute arbitrary commands via the IpFrom parameter.","Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain command injection vu...","2022-02-04T02:15:07.873","2022-02-07T14:19:12.493",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":30,"CVSSMetricV40":27},[16],{"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,[31],{"Source":17,"Type":18,"CVSSData":32,"BaseSeverity":25,"ExploitabilityScore":37,"ImpactScore":38,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":33,"VectorString":34,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":35,"IntegrityImpact":35,"AvailabilityImpact":35,"BaseScore":36,"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",7.5,10,6.4,0.02779,[39,39,39,39,39,39,39],"Critical",[43,48,52,56,59,63],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"totolink","a720r_firmware","4.1.5cu.470_b20200911","cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*",{"vendor":44,"product":49,"version":50,"criteria":51,"vulnerable":4},"a720r","-","cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*",{"vendor":44,"product":53,"version":54,"criteria":55,"vulnerable":4},"a830r_firmware","5.9c.4729_b20191112","cpe:2.3:o:totolink:a830r_firmware:5.9c.4729_b20191112:*:*:*:*:*:*:*",{"vendor":44,"product":57,"version":50,"criteria":58,"vulnerable":4},"a830r","cpe:2.3:h:totolink:a830r:-:*:*:*:*:*:*:*",{"vendor":44,"product":60,"version":61,"criteria":62,"vulnerable":4},"a3100r_firmware","4.1.2cu.5050_b20200504","cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:*",{"vendor":44,"product":64,"version":50,"criteria":65,"vulnerable":4},"a3100r","cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*",6,[68],{"url":69,"source":70,"tags":71},"https:\u002F\u002Fgithub.com\u002Fpjqwudi\u002Fmy_vuln\u002Fblob\u002Fmain\u002Ftotolink\u002Fvuln_1\u002F1.md","GitHub",[72,73],"Exploit","Third Party Advisory",1,[76],{"id":77,"name":78,"description":79,"extendedDescription":80,"status":81,"abstraction":82,"structure":83},"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":87,"metaDescription":88,"keywords":89,"canonicalUrl":90,"structuredData":91},"What is CVE-2021-44247? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-44247, a critical severity cyber security vulnerability from 2022. Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R ...","CVE-2021-44247, CVE-2021-44247 vulnerability, CVE-2021-44247 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2022, CVSS score, exploit, patch, remediation, totolink security, a720r_firmware vulnerability, a720r vulnerability, a830r_firmware vulnerability, a830r vulnerability, a3100r_firmware vulnerability","\u002Fwhat-is\u002Fcve-2021-44247",{"@context":92,"@type":93,"headline":87,"description":88,"datePublished":10,"dateModified":11,"author":94,"publisher":98,"about":102,"mainEntityOfPage":106,"articleSection":109,"keywords":110},"https:\u002F\u002Fschema.org","TechArticle",{"@type":95,"name":96,"url":97},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":95,"name":96,"url":97,"logo":99},{"@type":100,"url":101},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":103,"name":6,"description":104,"additionalType":105},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":107,"@id":108},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-44247","Cybersecurity","CVE-2021-44247, CVE-2021-44247 vulnerability, CVE-2021-44247 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[112,124,134],{"Operator":113,"Negate":27,"Nodes":114},"AND",[115,120],{"Operator":116,"Negate":27,"CPEMatch":117},"OR",[118],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":119,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"C7B3C9D3-E762-4AEE-9E03-B2A1819785A4",{"Operator":116,"Negate":27,"CPEMatch":121},[122],{"Vulnerable":27,"Criteria":51,"MatchCriteriaID":123,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"A1DE5168-B787-462C-B024-2B8F73759034",{"Operator":113,"Negate":27,"Nodes":125},[126,130],{"Operator":116,"Negate":27,"CPEMatch":127},[128],{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":129,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"FCB860A4-250F-43CD-90F6-E97D9FF4D595",{"Operator":116,"Negate":27,"CPEMatch":131},[132],{"Vulnerable":27,"Criteria":58,"MatchCriteriaID":133,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"1751A6D0-CD32-4035-94B0-6085272AB214",{"Operator":113,"Negate":27,"Nodes":135},[136,140],{"Operator":116,"Negate":27,"CPEMatch":137},[138],{"Vulnerable":4,"Criteria":62,"MatchCriteriaID":139,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"0BD0B6FC-5C4F-4547-883D-7B9C03B45523",{"Operator":116,"Negate":27,"CPEMatch":141},[142],{"Vulnerable":27,"Criteria":65,"MatchCriteriaID":143,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"40729E79-9D89-440F-B38D-E62D310E27F9",[],[146],{"id":147,"eventType":148,"eventTime":149,"details":150,"label":151,"color":152},"a8490025-77fe-4206-9b0b-7fd18c03138e","LOW_EPSS_DELTA","2026-06-16T04:05:32.96209+00:00","Daily EPSS score decreased by 0.237 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":11,"cacheTime":154,"version":33},1792347860673,{"score":156,"band":157,"action":158,"scoredAt":159},61,"Medium","Plan remediation","2026-10-16T06:53:23.314212+00:00"]