{"schemaVersion":3,"id":"CVE-2026-20431","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"In Modem, there is a possible system crash due to a logic error. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01106496; Issue ID: MSV-4467.","dates":{"published":"2026-04-07T03:25:28.491Z","modified":"2026-04-07T12:59:17.543Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00309,"percentile":0.22298,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00309},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00309,"percentile":0.22298}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00309,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00309,"percentile":0.22298}]},"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-770","name":"Allocation of Resources Without Limits or Throttling","description":"The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/770.html"}],"affected":[{"vendor":"mediatek, inc.","product":"mediatek chipset","name":"MediaTek chipset","label":"mediatek chipset","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"MT6813","noFixRecorded":false,"fixedIn":null},{"text":"MT6815","noFixRecorded":false,"fixedIn":null},{"text":"MT6835","noFixRecorded":false,"fixedIn":null},{"text":"MT6878","noFixRecorded":false,"fixedIn":null},{"text":"MT6897","noFixRecorded":false,"fixedIn":null},{"text":"MT6899","noFixRecorded":false,"fixedIn":null},{"text":"MT6986","noFixRecorded":false,"fixedIn":null},{"text":"MT6991","noFixRecorded":false,"fixedIn":null},{"text":"MT6993","noFixRecorded":false,"fixedIn":null},{"text":"MT8668","noFixRecorded":false,"fixedIn":null},{"text":"MT8676","noFixRecorded":false,"fixedIn":null},{"text":"MT8678","noFixRecorded":false,"fixedIn":null},{"text":"MT8755","noFixRecorded":false,"fixedIn":null},{"text":"MT8775","noFixRecorded":false,"fixedIn":null},{"text":"MT8792","noFixRecorded":false,"fixedIn":null},{"text":"MT8793","noFixRecorded":false,"fixedIn":null},{"text":"MT8863","noFixRecorded":false,"fixedIn":null},{"text":"MT8873","noFixRecorded":false,"fixedIn":null},{"text":"MT8883","noFixRecorded":false,"fixedIn":null}],"versionsText":"MT6813 | MT6815 | MT6835 | MT6878 | MT6897 | MT6899 | MT6986 | MT6991 | MT6993 | MT8668 | MT8676 | MT8678 | MT8755 | MT8775 | MT8792 | MT8793 | MT8863 | MT8873 | MT8883","eol":null,"hubHref":"/vendor/mediatek_inc/mediatek_chipset"},{"vendor":"mediatek","product":"mt6813_firmware","name":"mt6813 firmware","label":"mt6813_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6813"},{"vendor":"mediatek","product":"mt6815_firmware","name":"mt6815 firmware","label":"mt6815_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6815"},{"vendor":"mediatek","product":"mt6835_firmware","name":"mt6835 firmware","label":"mt6835_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6835"},{"vendor":"mediatek","product":"mt6878_firmware","name":"mt6878 firmware","label":"mt6878_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6878"},{"vendor":"mediatek","product":"mt6897_firmware","name":"mt6897 firmware","label":"mt6897_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6897"},{"vendor":"mediatek","product":"mt6899_firmware","name":"mt6899 firmware","label":"mt6899_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6899"},{"vendor":"mediatek","product":"mt6986_firmware","name":"mt6986 firmware","label":"mt6986_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6986"},{"vendor":"mediatek","product":"mt6991_firmware","name":"mt6991 firmware","label":"mt6991_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6991"},{"vendor":"mediatek","product":"mt6993_firmware","name":"mt6993 firmware","label":"mt6993_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt6993"},{"vendor":"mediatek","product":"mt8668_firmware","name":"mt8668 firmware","label":"mt8668_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8668"},{"vendor":"mediatek","product":"mt8676_firmware","name":"mt8676 firmware","label":"mt8676_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8676"},{"vendor":"mediatek","product":"mt8678_firmware","name":"mt8678 firmware","label":"mt8678_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8678"},{"vendor":"mediatek","product":"mt8755_firmware","name":"mt8755 firmware","label":"mt8755_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8755"},{"vendor":"mediatek","product":"mt8775_firmware","name":"mt8775 firmware","label":"mt8775_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8775"},{"vendor":"mediatek","product":"mt8792_firmware","name":"mt8792 firmware","label":"mt8792_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8792"},{"vendor":"mediatek","product":"mt8793_firmware","name":"mt8793 firmware","label":"mt8793_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8793"},{"vendor":"mediatek","product":"mt8863_firmware","name":"mt8863 firmware","label":"mt8863_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8863"},{"vendor":"mediatek","product":"mt8873_firmware","name":"mt8873 firmware","label":"mt8873_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8873"},{"vendor":"mediatek","product":"mt8883_firmware","name":"mt8883 firmware","label":"mt8883_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/mediatek/mt8883"}],"affectedCount":20,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/April-2026","label":"corp.mediatek.com/product-security-bulletin/April-2026","hostname":"corp.mediatek.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-04-07T03:25:28.491Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-07T12:59:17.543Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T08:26:15.533Z","stale":false,"partial":false}}