{"id":"CVE-2018-25147","aliases":["EUVD-2025-205327","GHSA-r64v-2m5c-fmx7"],"status":"published","title":"Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass","description":"Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gateway operations. Attackers can exploit these default credentials to gain unauthorized root-level access to the device by logging in with predefined username and password combinations.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00388,"percentile":0.33168,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1392"],"published":"2025-12-24T19:27:50Z","modified":"2026-07-28T01:46:38Z","products":[{"vendor":"microhard systems","product":"microhard systems 3g/4g cellular ethernet and serial gateway default credentials"},{"vendor":"microhardcorp","product":"bullet-3g_firmware"},{"vendor":"microhardcorp","product":"bullet-lte_firmware"},{"vendor":"microhardcorp","product":"bulletplus_firmware"},{"vendor":"microhardcorp","product":"dragon-lte_firmware"},{"vendor":"microhardcorp","product":"ipn3gb_firmware"},{"vendor":"microhardcorp","product":"ipn3gii_firmware"},{"vendor":"microhardcorp","product":"ipn4g_firmware"},{"vendor":"microhardcorp","product":"ipn4gb_firmware"},{"vendor":"microhardcorp","product":"ipn4gii_firmware"},{"vendor":"microhardcorp","product":"vip4gb_firmware"},{"vendor":"microhardcorp","product":"vip4gb_wifi-n_firmware"}],"references":[{"url":"https://www.exploit-db.com/exploits/45040","tags":["exploit","Exploit"]},{"url":"http://www.microhardcorp.com","tags":["product","Product"]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.php","tags":["third-party-advisory","exploit","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25147"},{"url":"https://github.com/advisories/GHSA-r64v-2m5c-fmx7"}],"sources":{"cve":[{"id":"CVE-2018-25147","title":"Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass","description":"Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gateway operations. Attackers can exploit these default credentials to gain unauthorized root-level access to the device by logging in with predefined username and password combinations.","status":"published","published":"2025-12-24T19:27:50.49Z","modified":"2026-07-28T01:46:38.296Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-1392"],"updated_at":"2026-11-02T14:35:01.952568Z"}],"euvd":[{"id":"EUVD-2025-205327","description":"Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gateway operations. Attackers can exploit these default credentials to gain unauthorized root-level access to the device by logging in with predefined username and password combinations.","status":"published","published":"2025-12-24T19:27:50Z","modified":"2026-07-28T01:46:38Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:02:33.420584Z"}],"ghsa":[{"id":"GHSA-r64v-2m5c-fmx7","title":"Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed...","description":"Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gateway operations. Attackers can exploit these default credentials to gain unauthorized root-level access to the device by logging in with predefined username and password combinations.","status":"published","published":"2025-12-24T21:30:32Z","modified":"2025-12-24T21:30:40Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-1392"],"updated_at":"2026-11-02T15:05:22.018507Z"}],"nvd":[{"id":"CVE-2018-25147","description":"Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gateway operations. Attackers can exploit these default credentials to gain unauthorized root-level access to the device by logging in with predefined username and password combinations.","status":"published","published":"2025-12-24T20:15:49.21Z","modified":"2026-06-17T01:54:49.307Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-1392"],"updated_at":"2026-11-02T14:05:01.494136Z"}]}}