{"id":"CVE-2023-20689","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-20689","generatedAt":"2026-10-27T19:05:17.910Z","title":"In wlan firmware, there is possible system crash due to an integer overflow.","description":"In wlan firmware, there is possible system crash due to an integer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07664741; Issue ID: ALPS07664741.","published":"2023-07-04T02:15:10.000Z","lastModified":"2026-06-17T05:30:38.000Z","status":"Modified","sourceIdentifier":"security@mediatek.com","cvss":{"version":"3.1","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"},"cwe":["CWE-190"],"affected":["linuxfoundation/yocto","google/android"],"epss":{"score":0.00445,"percentile":0.38438,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/July-2023","tags":["Vendor Advisory"],"source":"security@mediatek.com"},{"url":"https://corp.mediatek.com/product-security-bulletin/July-2023","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-20689","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."}