{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2018-25426","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-05-30T14:44:38.854Z","datePublished":"2026-05-30T14:55:29.422Z","dateUpdated":"2026-05-30T14:55:29.422Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-05-30T14:55:29.422Z"},"datePublic":"2018-11-01T00:00:00.000Z","title":"WinMTR 0.91 Denial of Service via Buffer Overflow","descriptions":[{"lang":"en","value":"WinMTR 0.91 contains a denial of service vulnerability that allows attackers to crash the application by sending a malformed payload file containing a large buffer of repeated characters. Attackers can create a specially crafted input file with 238 bytes of data to trigger a buffer overflow condition that causes the application to crash."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","cweId":"CWE-120","type":"CWE"}]}],"affected":[{"vendor":"Winmtr","product":"WinMTR","versions":[{"version":"0.91","status":"affected"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"references":[{"url":"https://www.exploit-db.com/exploits/45769","name":"ExploitDB-45769","tags":["exploit"]},{"url":"http://winmtr.net","name":"Official Product Homepage","tags":["product"]},{"url":"http://winmtr.net/winmtr_download/","name":"Product Reference","tags":["product"]},{"name":"VulnCheck Advisory: WinMTR 0.91 Denial of Service via Buffer Overflow","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/winmtr-denial-of-service-via-buffer-overflow"}],"credits":[{"lang":"en","value":"Ihsan Sencan","type":"finder"}],"x_generator":{"engine":"vulncheck"}}}}