[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftdbiRabGPHctr-QRD-WoQtTwwBh97Mag_ksVODAi_Qs":3,"g5a-risk:CVE-2023-28769":124},{"success":4,"data":5,"meta":121},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":34,"epssPercentile":27,"epssTimeSeries":35,"severity":36,"affectedProducts":37,"affectedProductsCount":47,"references":48,"referencesCount":54,"weaknesses":55,"weaknessesCount":54,"isActivelyExploited":64,"cisaInfo":27,"otxData":27,"relatedBlogPosts":65,"seoMetadata":66,"configurations":91,"relatedVendorCves":105,"notableEvents":106},"CVE-2023-28769","What is CVE-2023-28769?","The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.","The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 coul...","2023-04-27T09:15:09.057","2023-05-08T18:15:09.893",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":27,"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":28,"ImpactScore":29},"security@zyxel.com.tw","Secondary",{"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},0.0542,[34,34,34,34,34,34,34],"Critical",[38,43],{"vendor":39,"product":40,"version":41,"criteria":42,"vulnerable":4},"zyxel","dx5401-b0_firmware","*","cpe:2.3:o:zyxel:dx5401-b0_firmware:*:*:*:*:*:*:*:*",{"vendor":39,"product":44,"version":45,"criteria":46,"vulnerable":4},"dx5401-b0","-","cpe:2.3:h:zyxel:dx5401-b0:-:*:*:*:*:*:*:*",2,[49],{"url":50,"source":51,"tags":52},"https:\u002F\u002Fwww.zyxel.com\u002Fglobal\u002Fen\u002Fsupport\u002Fsecurity-advisories\u002Fzyxel-security-advisory-for-multiple-vulnerabilities","Zyxel",[53],"Vendor Advisory",1,[56],{"id":57,"name":58,"description":59,"extendedDescription":60,"status":61,"abstraction":62,"structure":63},"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",false,[],{"title":67,"metaDescription":68,"keywords":69,"canonicalUrl":70,"structuredData":71},"What is CVE-2023-28769? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2023-28769, a critical severity cyber security vulnerability from 2023. 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