{"id":"CVE-2026-19398","state":"PUBLISHED","title":"An out-of-bounds write in the SmiFlash SMM module of ASUS FA507NU and FA507NV BIOS allows a local  administrator to cause a system crash (BSOD) or BIOS corruption via a crafted sof","description":"An out-of-bounds write in the SmiFlash SMM module of ASUS FA507NU and FA507NV BIOS allows a local  administrator to cause a system crash (BSOD) or BIOS corruption via a crafted software SMI (SW SMI) request with an oversized length value.Refer to the ' \nSecurity Update for ASUS FA507NV / FA507NU BIOS   ' section on the ASUS Security Advisory for more information.","publishedAt":"2026-08-27T02:00:16.449Z","updatedAt":"2026-09-09T03:29:59.653Z","severity":{"score":6.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","source":"ASUS"},"assigner":"ASUS","products":["ASUS FA507NV","ASUS FA507NU"],"affected":[{"vendor":"ASUS","product":"FA507NV","defaultStatus":"unaffected","versions":[{"version":"318","status":"affected","versionType":"custom"}]},{"vendor":"ASUS","product":"FA507NU","defaultStatus":"unaffected","versions":[{"version":"318","status":"affected"}]}],"references":["https://www.asus.com/security-advisory"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19398.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19398","state":"PUBLISHED","datePublished":"2026-08-27T02:00:16.449Z","dateUpdated":"2026-09-09T03:29:59.653Z","assignerShortName":"ASUS","assignerOrgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","dateReserved":"2026-08-10T07:25:57.688Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An out-of-bounds write in the SmiFlash SMM module of ASUS FA507NU and FA507NV BIOS allows a local  administrator to cause a system crash (BSOD) or BIOS corruption via a crafted software SMI (SW SMI) request with an oversized length value.Refer to the ' \nSecurity Update for ASUS FA507NV / FA507NU BIOS   ' section on the ASUS Security Advisory for more information."}],"affected":[{"vendor":"ASUS","product":"FA507NV","defaultStatus":"unaffected","versions":[{"version":"318","status":"affected","versionType":"custom"}]},{"vendor":"ASUS","product":"FA507NU","defaultStatus":"unaffected","versions":[{"version":"318","status":"affected"}]}],"references":[{"url":"https://www.asus.com/security-advisory"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"ASUS","orgId":"54bf65a7-a193-42d2-b1ba-8e150d3c35e1","dateUpdated":"2026-09-09T03:29:59.653Z"},"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:asus:fa507nv:318:*:*:*:*:*:*:*"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:asus:fa507nu:318:*:*:*:*:*:*:*"}]}]}],"credits":[{"lang":"en","value":"hex2mem","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T14:50:25.695502Z","id":"CVE-2026-19398","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-27T14:50:36.251Z"}}]}}}