{"id":"CVE-2025-27718","aliases":["EUVD-2025-8562","GHSA-32p9-v6w3-v6fj"],"status":"published","title":"Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in...","description":"Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file upload process of the USB storage file-sharing function of HGW-BL1500HM Ver 002.002.003 and earlier. If this vulnerability is exploited, the product's files may be obtained and/or altered or arbitrary code may be executed by a crafted HTTP request to specific functions of the product from a device connected to the LAN side.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00974,"percentile":0.62497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2025-03-28T08:18:36Z","modified":"2026-06-17T09:04:06Z","products":[{"vendor":"kddi corporation","product":"hgw-bl1500hm"}],"references":[{"url":"https://kddi-tech.com/contents/appendix_L2_06.html#64433e4a-8946-9c06-bddf-91cbfe56c8e5"},{"url":"https://jvn.jp/en/jp/JVN04278547/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27718"},{"url":"https://jvn.jp/en/jp/JVN04278547"},{"url":"https://github.com/advisories/GHSA-32p9-v6w3-v6fj"}],"sources":{"cve":[{"id":"CVE-2025-27718","description":"Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file upload process of the USB storage file-sharing function of HGW-BL1500HM Ver 002.002.003 and earlier. If this vulnerability is exploited, the product's files may be obtained and/or altered or arbitrary code may be executed by a crafted HTTP request to specific functions of the product from a device connected to the LAN side.","status":"published","published":"2025-03-28T08:18:36.814Z","modified":"2025-03-28T13:56:31.056Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:32:42.751171Z"}],"euvd":[{"id":"EUVD-2025-8562","description":"Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file upload process of the USB storage file-sharing function of HGW-BL1500HM Ver 002.002.003 and earlier. If this vulnerability is exploited, the product's files may be obtained and/or altered or arbitrary code may be executed by a crafted HTTP request to specific functions of the product from a device connected to the LAN side.","status":"published","published":"2025-03-28T08:18:36Z","modified":"2025-03-28T13:56:31Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:48.15902Z"}],"ghsa":[{"id":"GHSA-32p9-v6w3-v6fj","title":"Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in...","description":"Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file upload process of the USB storage file-sharing function of HGW-BL1500HM Ver 002.002.003 and earlier. If this vulnerability is exploited, the product's files may be obtained and/or altered or arbitrary code may be executed by a crafted HTTP request to specific functions of the product from a device connected to the LAN side.","status":"published","published":"2025-03-28T09:30:30Z","modified":"2025-03-28T09:30:36Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:00:30.942475Z"}],"nvd":[{"id":"CVE-2025-27718","description":"Improper limitation of a pathname to a restricted directory ('Path Traversal') issue exists in the file upload process of the USB storage file-sharing function of HGW-BL1500HM Ver 002.002.003 and earlier. If this vulnerability is exploited, the product's files may be obtained and/or altered or arbitrary code may be executed by a crafted HTTP request to specific functions of the product from a device connected to the LAN side.","status":"published","published":"2025-03-28T09:15:14.667Z","modified":"2026-06-17T09:04:06.93Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:10:56.494516Z"}]}}