{"id":"CVE-2018-7300","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-7300","generatedAt":"2026-10-29T03:02:04.651Z","title":"Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem.","description":"Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.","published":"2018-02-22T19:29:06.000Z","lastModified":"2026-06-17T02:02:59.000Z","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-22"],"affected":["eq-3/homematic ccu2 firmware"],"epss":{"score":0.3059,"percentile":0.98231,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2018-03-30","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44361,"kind":"exploit","title":"Homematic CCU2 2.29.23 - Arbitrary File Write","url":"https://www.exploit-db.com/exploits/44361","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/cgi/webapps/44361.rb","file":"exploits/cgi/webapps/44361.rb","published":"2018-03-30","added":"2018-03-30","updated":"2018-03-30","author":"Patrick Muench and Gregor Kopf","type":"webapps","platform":"cgi","port":null,"verified":false,"codes":["CVE-2018-7300"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 30.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://atomic111.github.io/article/homematic-ccu2-filewrite","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44361/","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://atomic111.github.io/article/homematic-ccu2-filewrite","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44361/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-7300","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."}