{"schemaVersion":3,"id":"CVE-2024-7490","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Improper Input Validation vulnerability in Microchip Techology Advanced Software Framework example DHCP server can cause remote code execution through a buffer overflow.\n This vulnerability is associated with program files tinydhcpserver.C and program routines lwip_dhcp_find_option.\n\nThis issue affects Advanced Software Framework: through 3.52.0.2574.\n\n\nASF is no longer being supported. Apply provided workaround or migrate to an actively maintained framework.","dates":{"published":"2024-08-08T15:01:09.055Z","modified":"2025-08-29T20:23:53.142Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":9.5,"severity":"critical","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":9.5,"severity":"critical","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01377,"percentile":0.71681,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01377},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01377,"percentile":0.71681}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01377,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01377,"percentile":0.71681}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","description":"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.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/120.html"}],"affected":[{"vendor":"microchip techology","product":"advanced software framework","name":"Advanced Software Framework","label":"advanced software framework","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 3.52.0.2574","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.52.0.2574","eol":null,"hubHref":"/vendor/microchip_techology/advanced_software_framework"},{"vendor":"microchip","product":"advanced_software_framework","name":"advanced software framework","label":"advanced_software_framework","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 3.52.0.2574","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 3.52.0.2574","eol":null,"hubHref":"/vendor/microchip/advanced_software_framework"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.microchip.com/en-us/tools-resources/develop/libraries/advanced-software-framework","label":"www.microchip.com/en-us/tools-resources/develop/libraries/advanced-software-framework","hostname":"www.microchip.com","tags":["Product","Vendor Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/138043","label":"www.kb.cert.org/vuls/id/138043","hostname":"www.kb.cert.org","tags":["Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2024-08-08T15:01:09.055Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-08-29T20:23:53.142Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T06:47:28.095Z","stale":false,"partial":false}}