[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fpa6laOx6vcMyY9rcq2PCHlPjABq_Ufo3bX-UVnsqJw4":3,"g5a-risk:CVE-2009-1166":108},{"success":4,"data":5,"meta":106},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":34,"epssPercentile":28,"epssTimeSeries":35,"severity":36,"affectedProducts":37,"affectedProductsCount":43,"references":44,"referencesCount":65,"weaknesses":66,"weaknessesCount":43,"isActivelyExploited":32,"cisaInfo":28,"otxData":28,"relatedBlogPosts":70,"seoMetadata":71,"configurations":96,"relatedVendorCves":104,"notableEvents":105},"CVE-2009-1166","What is CVE-2009-1166?","The administrative web interface on the Cisco Wireless LAN Controller (WLC) platform 4.x before 4.2.205.0 and 5.x before 5.2.191.0, as used in Cisco 1500 Series, 2000 Series, 2100 Series, 4100 Series, 4200 Series, and 4400 Series Wireless Services Modules (WiSM), WLC Modules for Integrated Services Routers, and Catalyst 3750G Integrated Wireless LAN Controllers, allows remote attackers to cause a denial of service (device reload) via a crafted (1) HTTP or (2) HTTPS request, aka Bug ID CSCsy27708.","The administrative web interface on the Cisco Wireless LAN Controller (WLC) platform 4.x before 4.2.205.0 and 5.x before 5.2.191.0, as used in Cisco 1500 Ser...","2009-07-29T17:30:01.077","2026-06-16T23:06:38.637",7.8,"AV:N\u002FAC:L\u002FAu:N\u002FC:N\u002FI:N\u002FA:C",{"CVSSMetricV31":15,"CVSSMetricV30":16,"CVSSMetricV2":17,"CVSSMetricV40":33},[],[],[18],{"Source":19,"Type":20,"CVSSData":21,"BaseSeverity":29,"ExploitabilityScore":30,"ImpactScore":31,"ACInsufInfo":32,"ObtainAllPrivilege":32,"ObtainUserPrivilege":32,"ObtainOtherPrivilege":32,"UserInteractionRequired":32},"nvd@nist.gov","Primary",{"Version":22,"VectorString":13,"AccessVector":23,"AccessComplexity":24,"Authentication":25,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":27,"Exploitability":28,"RemediationLevel":28,"ReportConfidence":28,"TemporalScore":28,"CollateralDamagePotential":28,"TargetDistribution":28,"ConfidentialityRequirement":28,"IntegrityRequirement":28,"AvailabilityRequirement":28,"EnvironmentalScore":28},"2.0","NETWORK","LOW","NONE","COMPLETE","",null,"HIGH",10,6.9,false,[],0.01602,[34,34,34,34,34,34,34],"High",[38],{"vendor":39,"product":40,"version":41,"criteria":42,"vulnerable":4},"cisco","catalyst","3750g","cpe:2.3:h:cisco:catalyst:3750g:*:*:*:*:*:*:*",1,[45,51,55,59,61,63],{"url":46,"source":47,"tags":48},"http:\u002F\u002Fwww.cisco.com\u002Fen\u002FUS\u002Fproducts\u002Fproducts_security_advisory09186a0080adb3d7.shtml","Cisco",[49,50],"Patch","Vendor Advisory",{"url":52,"source":53,"tags":54},"http:\u002F\u002Fwww.securitytracker.com\u002Fid?1022605","Securitytracker",[],{"url":56,"source":57,"tags":58},"http:\u002F\u002Fwww.vupen.com\u002Fenglish\u002Fadvisories\u002F2009\u002F2021","Vupen",[],{"url":46,"source":47,"tags":60},[49,50],{"url":52,"source":53,"tags":62},[],{"url":56,"source":57,"tags":64},[],6,[67],{"id":68,"name":68,"description":69},"Unknown","NVD-CWE-Other",[],{"title":72,"metaDescription":73,"keywords":74,"canonicalUrl":75,"structuredData":76},"What is CVE-2009-1166? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2009-1166, a high severity cyber security vulnerability from 2009. The administrative web interface on the Cisco Wireless LAN C...","CVE-2009-1166, CVE-2009-1166 vulnerability, CVE-2009-1166 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2009, CVSS score, exploit, patch, remediation, cisco security, catalyst vulnerability","\u002Fwhat-is\u002Fcve-2009-1166",{"@context":77,"@type":78,"headline":72,"description":73,"datePublished":10,"dateModified":11,"author":79,"publisher":83,"about":87,"mainEntityOfPage":91,"articleSection":94,"keywords":95},"https:\u002F\u002Fschema.org","TechArticle",{"@type":80,"name":81,"url":82},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":80,"name":81,"url":82,"logo":84},{"@type":85,"url":86},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":88,"name":6,"description":89,"additionalType":90},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":92,"@id":93},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2009-1166","Cybersecurity","CVE-2009-1166, CVE-2009-1166 vulnerability, CVE-2009-1166 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[97],{"Operator":28,"Negate":28,"Nodes":98},[99],{"Operator":100,"Negate":32,"CPEMatch":101},"OR",[102],{"Vulnerable":4,"Criteria":42,"MatchCriteriaID":103,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"C163D6D0-3806-43B5-8D09-D61E2AED61DC",[],[],{"lastModified":11,"cacheTime":107,"version":22},1792358899915,{"score":109,"band":110,"action":111,"scoredAt":112},46,"Medium","Plan remediation","2026-10-17T06:36:45.434043+00:00"]