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CVE-2018-25143

Microhardcorp Ipn4gb Firmware command injection

8.8 HIGHPublic exploitEPSS 0.60%
  1. Published24 Dec 2025

Description

Microhard Systems IPn4G 1.1.0 contains a service vulnerability that allows authenticated users to enable a restricted SSH shell with a default 'msshc' user. Attackers can exploit a custom 'ping' command in the NcFTP environment to escape the restricted shell and execute commands with root privileges.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Microhardcorp Bullet-3g Firmware1.2.0
Microhardcorp Bullet-lte Firmware1.2.0
Microhardcorp Bulletplus Firmware1.3.0
Microhardcorp Dragon-lte Firmware1.1.0
Microhardcorp Ipn3gb Firmware2.2.0
Microhardcorp Ipn3gii Firmware1.2.0
Microhardcorp Ipn4gb Firmware1.1.0 · 1.1.6
Microhardcorp Ipn4g Firmware1.1.0
Microhardcorp Ipn4gii Firmware1.2.0
Microhardcorp Vip4gb Firmware1.1.6
Microhardcorp Vip4gb Wifi-n Firmware1.1.6

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2018-25143 being actively exploited?

CVE-2018-25143 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.60%.

How severe is CVE-2018-25143?

CVE-2018-25143 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.60% probability of exploitation.

Which products are affected by CVE-2018-25143?

Affected products include Microhardcorp Bullet-3g Firmware, Microhardcorp Bullet-lte Firmware, Microhardcorp Bulletplus Firmware, Microhardcorp Dragon-lte Firmware, Microhardcorp Ipn3gb Firmware, and 6 more.

How do I fix CVE-2018-25143?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2018-25143 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.