CVE-2018-25147

Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass

Published Dec 24, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Jenkins
Jenkins credentials
CPEs cpe:2.3:a:jenkins:credentials:ipn4g:*:*:*:*:jenkins:*:*
Vendors & Products Jenkins
Jenkins credentials
Type Values Removed Values Added
First Time appeared Microhardcorp bullet-3g
Microhardcorp bullet-3g Firmware
Microhardcorp bullet-lte
Microhardcorp bullet-lte Firmware
Microhardcorp bulletplus
Microhardcorp bulletplus Firmware
Microhardcorp dragon-lte
Microhardcorp dragon-lte Firmware
Microhardcorp ipn3gb
Microhardcorp ipn3gb Firmware
Microhardcorp ipn3gii
Microhardcorp ipn3gii Firmware
Microhardcorp ipn4g Firmware
Microhardcorp ipn4gb
Microhardcorp ipn4gb Firmware
Microhardcorp ipn4gii
Microhardcorp ipn4gii Firmware
Microhardcorp vip4gb
Microhardcorp vip4gb Firmware
Microhardcorp vip4gb Wifi-n
Microhardcorp vip4gb Wifi-n Firmware
CPEs cpe:2.3:h:microhardcorp:bullet-3g:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:bullet-lte:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:bulletplus:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:dragon-lte:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn3gb:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn3gii:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn4g:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn4gb:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn4gii:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:vip4gb:-:*:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:vip4gb_wifi-n:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:bullet-3g_firmware:1.2.0:build1076:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:bullet-3g_firmware:1.2.0:reva_build1032:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:bullet-lte_firmware:1.2.0:build1078:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:bulletplus_firmware:1.3.0:build1036:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:dragon-lte_firmware:1.1.0:build1036:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn3gb_firmware:2.2.0:build2160:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn3gii_firmware:1.2.0:build1076:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4g_firmware:1.1.0:build1098:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.0:rev2_build1086:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.0:rev2_build1090-2:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.6:build1184-14:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4gii_firmware:1.2.0:build1078:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:vip4gb_firmware:1.1.6:build_1204:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:vip4gb_firmware:1.1.6:rev3_build1184-14:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:vip4gb_wifi-n_firmware:1.1.6:rev2_build1196:*:*:*:*:*:*
Vendors & Products Microhardcorp bullet-3g
Microhardcorp bullet-3g Firmware
Microhardcorp bullet-lte
Microhardcorp bullet-lte Firmware
Microhardcorp bulletplus
Microhardcorp bulletplus Firmware
Microhardcorp dragon-lte
Microhardcorp dragon-lte Firmware
Microhardcorp ipn3gb
Microhardcorp ipn3gb Firmware
Microhardcorp ipn3gii
Microhardcorp ipn3gii Firmware
Microhardcorp ipn4g Firmware
Microhardcorp ipn4gb
Microhardcorp ipn4gb Firmware
Microhardcorp ipn4gii
Microhardcorp ipn4gii Firmware
Microhardcorp vip4gb
Microhardcorp vip4gb Firmware
Microhardcorp vip4gb Wifi-n
Microhardcorp vip4gb Wifi-n Firmware
Type Values Removed Values Added
First Time appeared Microhardcorp
Microhardcorp ipn4g
Vendors & Products Microhardcorp
Microhardcorp ipn4g
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass
Weaknesses CWE-1392
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_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'}