{"id":"CVE-2023-43239","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-43239","generatedAt":"2026-10-28T02:10:21.991Z","title":"D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter flag_5G in showMACfilterMAC.","description":"D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter flag_5G in showMACfilterMAC.","published":"2023-09-21T13:15:10.000Z","lastModified":"2026-06-17T06:25:17.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787","CWE-121"],"affected":["dlink/dir-816 a2 firmware"],"epss":{"score":0.13317,"percentile":0.96372,"date":"2026-10-26","history":[{"date":"2026-09-22","score":0.14364,"percentile":0.96452},{"date":"2026-10-02","score":0.13317,"percentile":0.96292}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 13.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/peris-navince/founded-0-days/blob/main/Dlink/816/showMACfilterMAC/1.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.dlink.com/en/security-bulletin/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/peris-navince/founded-0-days/blob/main/Dlink/816/showMACfilterMAC/1.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dlink.com/en/security-bulletin/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-43239","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."}