Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2018-25147

Severity CVSS v4.0:
CRITICAL
Type:
Unavailable / Other
Publication date:
24/12/2025
Last modified:
26/01/2026

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.

Impact

Vector 4.0
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 CVSS v4.0 Severity and Metrics:

Base Score: 9.30 CRITICAL
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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
9.30
Severity 4.0
CRITICAL
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microhardcorp:ipn4g_firmware:1.1.0:build1098:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn4g:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn3gb_firmware:2.2.0:build2160:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn3gb:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.6:build1184-14:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn4gb:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.0:rev2_build1090-2:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn4gb:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.0:rev2_build1086:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:ipn4gb:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:bullet-3g_firmware:1.2.0:reva_build1032:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:bullet-3g:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:vip4gb_firmware:1.1.6:build_1204:*:*:*:*:*:*
cpe:2.3:h:microhardcorp:vip4gb:-:*:*:*:*:*:*:*
cpe:2.3:o:microhardcorp:vip4gb_firmware:1.1.6:rev3_build1184-14:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools