{"id":"CVE-2026-20493","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-20493","generatedAt":"2026-10-28T00:20:17.190Z","title":"In wifi, there is a possible out of bounds write due to a missing bounds check.","description":"In wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: BORA00154903; Issue ID: MSV-7575.","published":"2026-08-03T03:16:44.000Z","lastModified":"2026-10-23T22:10:00.000Z","status":"Analyzed","sourceIdentifier":"security@mediatek.com","cvss":{"version":"3.1","score":4.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-787"],"affected":["mediatek/mt6890 firmware","mediatek/mt6988 firmware","mediatek/mt6990 firmware"],"epss":{"score":0.00143,"percentile":0.03576,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.14%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/August-2026","tags":["Vendor Advisory"],"source":"security@mediatek.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20493","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}