{"api_version":"1","generated_at":"2026-11-04T05:15:12+00:00","cve":"CVE-2026-79405","urls":{"html":"https://cve.report/CVE-2026-79405","api":"https://cve.report/api/cve/CVE-2026-79405.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-79405","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-79405"},"summary":{"title":"Improper Input Validation in Modem Firmware","description":"In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.","state":"PUBLISHED","assigner":"Unisoc","published_at":"2026-11-04 04:17:37","updated_at":"2026-11-04 04:17:37"},"problem_types":["CWE-20","CWE-20 CWE-20"],"metrics":[{"version":"3.1","source":"security@unisoc.com","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://www.unisoc.com/en/support/product-security-bulletin/2117823464494759937","name":"https://www.unisoc.com/en/support/product-security-bulletin/2117823464494759937","refsource":"security@unisoc.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79405","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79405","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Unisoc (Shanghai) Technologies Co., Ltd.","product":"Modem","version":"affected UDX710","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Modem","vendor":"Unisoc (Shanghai) Technologies Co., Ltd.","versions":[{"status":"affected","version":"UDX710"}]}],"descriptions":[{"lang":"en","value":"In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed."}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","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","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-04T03:56:22.223Z","orgId":"63f92e9c-2193-4c24-98a9-93640392c3d3","shortName":"Unisoc"},"references":[{"url":"https://www.unisoc.com/en/support/product-security-bulletin/2117823464494759937"}],"title":"Improper Input Validation in Modem Firmware"}},"cveMetadata":{"assignerOrgId":"63f92e9c-2193-4c24-98a9-93640392c3d3","assignerShortName":"Unisoc","cveId":"CVE-2026-79405","datePublished":"2026-11-04T03:20:48.681Z","dateReserved":"2026-08-25T06:29:06.599Z","dateUpdated":"2026-11-04T03:56:22.223Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-04 04:17:37","lastModifiedDate":"2026-11-04 04:17:37","problem_types":["CWE-20","CWE-20 CWE-20"],"metrics":{"cvssMetricV31":[{"source":"security@unisoc.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"79405","Ordinal":"1","Title":"Improper Input Validation in Modem Firmware","CVE":"CVE-2026-79405","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"79405","Ordinal":"1","NoteData":"In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.","Type":"Description","Title":"Improper Input Validation in Modem Firmware"}]}}}