{"id":"CVE-2018-10731","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-10731","generatedAt":"2026-10-29T00:58:36.737Z","title":"All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to buffer overflows when handling very large cookies (a different vulnerability than CVE-2018-10728).","description":"All Phoenix Contact managed FL SWITCH 3xxx, 4xxx, 48xx products running firmware version 1.0 to 1.33 are prone to buffer overflows when handling very large cookies (a different vulnerability than CVE-2018-10728).","published":"2018-05-17T19:29:00.000Z","lastModified":"2026-06-17T01:34:35.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["phoenixcontact/fl switch 3005 firmware","phoenixcontact/fl switch 3005t firmware","phoenixcontact/fl switch 3004t-fx firmware","phoenixcontact/fl switch 3004t-fx st firmware","phoenixcontact/fl switch 3008 firmware","phoenixcontact/fl switch 3008t firmware","phoenixcontact/fl switch 3006t-2fx firmware","phoenixcontact/fl switch 3006t-2fx st firmware","phoenixcontact/fl switch 3012e-2sfx firmware","phoenixcontact/fl switch 3016e firmware","phoenixcontact/fl switch 3016 firmware","phoenixcontact/fl switch 3016t firmware","phoenixcontact/fl switch 3006t-2fx sm firmware","phoenixcontact/fl switch 4008t-2sfp firmware","phoenixcontact/fl switch 4008t-2gt-4fx sm firmware","phoenixcontact/fl switch 4008t-2gt-3fx sm firmware","phoenixcontact/fl switch 4808e-16fx lc-4gc firmware","phoenixcontact/fl switch 4808e-16fx sm-4gc firmware","phoenixcontact/fl switch 4808e-16fx sm st-4gc firmware","phoenixcontact/fl switch 4808e-16fx st-4gc firmware","phoenixcontact/fl switch 4808e-16fx-4gc firmware","phoenixcontact/fl switch 4808e-16fx sm lc-4gc firmware","phoenixcontact/fl switch 4012t 2gt 2fx firmware","phoenixcontact/fl switch 4012t-2gt-2fx st firmware","phoenixcontact/fl switch 4824e-4gc firmware","phoenixcontact/fl switch 4800e-24fx-4gc firmware","phoenixcontact/fl switch 4800e-24fx sm-4gc firmware","phoenixcontact/fl switch 3012e-2fx sm firmware","phoenixcontact/fl switch 4000t-8poe-2sfp-r firmware"],"epss":{"score":0.02645,"percentile":0.85523,"date":"2026-10-27","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 (2.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/104231","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://cert.vde.com/de-de/advisories/vde-2018-007","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-137-02","tags":["Patch","Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/104231","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert.vde.com/de-de/advisories/vde-2018-007","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-137-02","tags":["Patch","Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-10731","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."}