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CVE-2018-25147

Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass

Published: Dec 24, 2025Updated: Jan 26, 2026 Sources: CVE List NVDCWE-1392
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 75.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-1392

Affected Products

ipn4g firmwaremicrohardcorp
Embedded
Networking Infrastructure / router-switch
ipn3gb firmwaremicrohardcorp
Embedded
Networking Infrastructure / router-switch
ipn4gb firmwaremicrohardcorp
Embedded
Networking Infrastructure / router-switch
bullet-3g firmwaremicrohardcorp
Embedded
Networking Infrastructure / router-switch
vip4gb firmwaremicrohardcorp
Embedded
Networking Infrastructure / router-switch
microhardcorpcommercialCANetworking Infrastructureaka bullet-lte firmware, bullet-3g firmware, bulletlte-na2 firmware
and 7 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

References

http://www.microhardcorp.com
microhardcorp.com
https://www.exploit-db.com/exploits/45040
exploit-db.com
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.php
zeroscience.mk

Timeline

Published
Dec 24, 2025
Last Updated
Jan 26, 2026

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