HOMEVULNERABILITIESCVE-2018-25147
HIGH

CVE-2018-25147

CWE-1392Published: December 24, 2025· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-25147 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

microhardcorp22 product(s)
ipn4g firmwareipn4gipn3gb firmwareipn3gbipn4gb firmwareipn4gbbullet-3g firmwarebullet-3gvip4gb firmwarevip4gbvip4gb wifi-n firmwarevip4gb wifi-n+10
Source: NVD CPE · 23 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.php
ADVISORYhttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.php

All References (4)

→
http://www.microhardcorp.comProduct
→
https://www.exploit-db.com/exploits/45040Exploit
→
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.phpExploit · Third Party Advisory
→
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.phpExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2018-25147
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-1392
CISA KEVNo
Affected1 vendor(s)
PublishedDec 24, 2025

Related CVEs (CWE-1392)

CVE-2025-55051
10.0
CVE-2024-6788
9.8
CVE-2024-7746
9.8
CVE-2024-39747
9.8
CVE-2023-40704
9.8
CVE-2023-3703
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-25147 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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