{"id":"CVE-2018-7300","aliases":["EUVD-2018-19034","GHSA-64v8-x795-vgp3"],"status":"published","title":"Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method...","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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.3059,"percentile":0.98251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-22"],"published":"2018-02-22T19:00:00Z","modified":"2026-06-17T02:02:58Z","exploits":[{"source":"exploitdb","id":"EDB-44361","title":"Homematic CCU2 2.29.23 - Arbitrary File Write","type":"webapps","platform":"cgi","date":"2018-03-30","url":"https://www.exploit-db.com/exploits/44361"}],"products":[{"vendor":"eq-3","product":"homematic_ccu2_firmware"}],"references":[{"url":"http://atomic111.github.io/article/homematic-ccu2-filewrite","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/44361/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7300"},{"url":"https://github.com/advisories/GHSA-64v8-x795-vgp3"}],"sources":{"cve":[{"id":"CVE-2018-7300","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.","status":"published","published":"2018-02-22T19:00:00Z","modified":"2024-08-05T06:24:11.859Z","updated_at":"2026-11-02T14:35:09.908186Z"}],"euvd":[{"id":"EUVD-2018-19034","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.","status":"published","published":"2018-02-22T19:00:00Z","modified":"2024-08-05T06:24:11Z","updated_at":"2026-11-03T02:40:06.159235Z"}],"ghsa":[{"id":"GHSA-64v8-x795-vgp3","title":"Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method...","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.","status":"published","published":"2022-05-13T01:27:21Z","modified":"2023-02-01T05:07:53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:50:37.729708Z"}],"nvd":[{"id":"CVE-2018-7300","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.","status":"published","published":"2018-02-22T19:29:05.733Z","modified":"2026-06-17T02:02:58.693Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:04:23.783914Z"}]}}