{"id":"CVE-2026-116744","state":"PUBLISHED","title":"ntop nDPI through 6.0 Out-of-Bounds Read in SoftEther Dissector","description":"ntop nDPI through 6.0 contains an out-of-bounds read vulnerability in dissect_softether_host_fqdn() in softether.c that compares host_name using the consumed byte count instead of data length. Remote attackers can send crafted short UDP datagrams on already-classified SoftEther flows, causing strncmp to read beyond the packet payload buffer.","publishedAt":"2026-10-26T21:52:42.875Z","updatedAt":"2026-10-26T21:52:42.875Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["ntop nDPI"],"affected":[{"vendor":"ntop","product":"nDPI","packageURL":"pkg:github/ntop/ndpi","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"6.0","versionType":"custom"}],"repo":"https://github.com/ntop/nDPI"}],"references":["https://github.com/ntop/nDPI/pull/3298","https://github.com/ntop/nDPI/commit/ca9d819151606377ac53305583fe819748c69be2","https://github.com/ntop/nDPI","https://github.com/ntop/nDPI/blob/6.0/src/lib/protocols/softether.c#L203","https://hackmd.io/@haindpwn/ndpi-softether-host-fqdn-strncmp-oob-read","https://github.com/ntop/nDPI/issues/3291","https://www.vulncheck.com/advisories/ntop-ndpi-through-6.0-out-of-bounds-read-in-softether-dissector"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/116xxx/CVE-2026-116744.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116744","state":"PUBLISHED","datePublished":"2026-10-26T21:52:42.875Z","dateUpdated":"2026-10-26T21:52:42.875Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-26T20:23:36.908Z"},"containers":{"cna":{"title":"ntop nDPI through 6.0 Out-of-Bounds Read in SoftEther Dissector","descriptions":[{"lang":"en","value":"ntop nDPI through 6.0 contains an out-of-bounds read vulnerability in dissect_softether_host_fqdn() in softether.c that compares host_name using the consumed byte count instead of data length. Remote attackers can send crafted short UDP datagrams on already-classified SoftEther flows, causing strncmp to read beyond the packet payload buffer."}],"affected":[{"vendor":"ntop","product":"nDPI","packageURL":"pkg:github/ntop/ndpi","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"6.0","versionType":"custom"}],"repo":"https://github.com/ntop/nDPI"}],"references":[{"url":"https://github.com/ntop/nDPI/pull/3298","tags":["issue-tracking","patch"],"name":"Pull Request #3298"},{"url":"https://github.com/ntop/nDPI/commit/ca9d819151606377ac53305583fe819748c69be2","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/ntop/nDPI","tags":["product"]},{"url":"https://github.com/ntop/nDPI/blob/6.0/src/lib/protocols/softether.c#L203","tags":["technical-description"]},{"url":"https://hackmd.io/@haindpwn/ndpi-softether-host-fqdn-strncmp-oob-read","tags":["third-party-advisory"]},{"url":"https://github.com/ntop/nDPI/issues/3291","tags":["issue-tracking"]},{"url":"https://www.vulncheck.com/advisories/ntop-ndpi-through-6.0-out-of-bounds-read-in-softether-dissector","name":"VulnCheck Advisory: ntop nDPI through 6.0 Out-of-Bounds Read in SoftEther Dissector","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-26T21:52:42.875Z"},"datePublic":"2026-10-26T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ntop:ndpi:*:*:*:*:*:*:*:*","versionEndIncluding":"6.0"}]}]}],"credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"},{"lang":"en","value":"IvanNardi","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}