[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fOWvkLwhFQyI9BT6aXi2dNEnn8wXHEE13wyy19qq8mzQ":3,"g5a-risk:CVE-2019-6258":122},{"success":4,"data":5,"meta":120},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":53,"references":54,"referencesCount":53,"weaknesses":67,"weaknessesCount":76,"isActivelyExploited":77,"cisaInfo":27,"otxData":27,"relatedBlogPosts":78,"seoMetadata":79,"configurations":104,"relatedVendorCves":118,"notableEvents":119},"CVE-2019-6258","What is CVE-2019-6258?","D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a \u002FHNAP1\u002FSetClientInfo HNAP protocol message, which is mishandled in \u002Fusr\u002Fsbin\u002Fudhcpd during reading of the \u002Fvar\u002Fservd\u002FLAN-1-udhcpd.conf file.","D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 and older allow a buffer overflow via long MacAddress data in a \u002FHNAP1\u002FSetClientInfo HNAP protocol mes...","2020-08-18T17:15:11.283","2023-04-26T18:55:30.893",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",7.5,10,6.4,0.02617,[39,39,39,39,39,39,39],"Critical",[43,48],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"d-link","dir-822_firmware","*","cpe:2.3:o:d-link:dir-822_firmware:*:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":51,"criteria":52,"vulnerable":4},"dlink","dir-822","-","cpe:2.3:h:dlink:dir-822:-:*:*:*:*:*:*:*",2,[55,61],{"url":56,"source":57,"tags":58},"https:\u002F\u002Fgithub.com\u002Fpr0v3rbs\u002FCVE\u002Ftree\u002Fmaster\u002FCVE-2019-6258","GitHub",[59,60],"Exploit","Third Party Advisory",{"url":62,"source":63,"tags":64},"https:\u002F\u002Fsupportannouncement.us.dlink.com\u002Fannouncement\u002Fpublication.aspx?name=SAP10175","Dlink",[65,66],"Patch","Vendor Advisory",[68],{"id":69,"name":70,"description":71,"extendedDescription":72,"status":73,"abstraction":74,"structure":75},"CWE-120","Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.","A buffer overflow condition exists when a product attempts to put more data in a buffer than it can hold, or when it attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the \"classic\" case in which the product copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.","Incomplete","Base","Simple",1,false,[],{"title":80,"metaDescription":81,"keywords":82,"canonicalUrl":83,"structuredData":84},"What is CVE-2019-6258? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2019-6258, a critical severity cyber security vulnerability from 2020. D-Link DIR-822 Rev.Bx devices with firmware v.202KRb06 a...","CVE-2019-6258, CVE-2019-6258 vulnerability, CVE-2019-6258 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2020, CVSS score, exploit, patch, remediation, d-link security, dlink security, dir-822_firmware vulnerability, dir-822 vulnerability","\u002Fwhat-is\u002Fcve-2019-6258",{"@context":85,"@type":86,"headline":80,"description":81,"datePublished":10,"dateModified":11,"author":87,"publisher":91,"about":95,"mainEntityOfPage":99,"articleSection":102,"keywords":103},"https:\u002F\u002Fschema.org","TechArticle",{"@type":88,"name":89,"url":90},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":88,"name":89,"url":90,"logo":92},{"@type":93,"url":94},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":96,"name":6,"description":97,"additionalType":98},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":100,"@id":101},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2019-6258","Cybersecurity","CVE-2019-6258, CVE-2019-6258 vulnerability, CVE-2019-6258 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[105],{"Operator":106,"Negate":27,"Nodes":107},"AND",[108,114],{"Operator":109,"Negate":27,"CPEMatch":110},"OR",[111],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":112,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":113},"94042DE6-E547-4DDC-ABA6-DDFB57B5B2FE","2.02krb06",{"Operator":109,"Negate":27,"CPEMatch":115},[116],{"Vulnerable":27,"Criteria":52,"MatchCriteriaID":117,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"B3894F0E-37F8-4A89-87AC-1DB524D4AE04",[],[],{"lastModified":11,"cacheTime":121,"version":33},1792270701246,{"score":123,"band":124,"action":125,"scoredAt":126},56,"Medium","Plan remediation","2026-10-16T06:49:10.994606+00:00"]