CVE-2018-25143
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductMicrohardcorp Ipn4g Firmware
PublishedDec 24, 2025
First seenDec 24, 2025
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microhardcorp ipn4g_firmware | 1.1.0 | — |
| microhardcorp ipn3gb_firmware | 2.2.0 | — |
| microhardcorp ipn4gb_firmware | 1.1.6, 1.1.0 | — |
| microhardcorp bullet-3g_firmware | 1.2.0 | — |
| microhardcorp vip4gb_firmware | 1.1.6 | — |
| microhardcorp vip4gb_wifi-n_firmware | 1.1.6 | — |
| microhardcorp bullet-lte_firmware | 1.2.0 | — |
| microhardcorp ipn3gii_firmware | 1.2.0 | — |
| microhardcorp ipn4gii_firmware | 1.2.0 | — |
| microhardcorp bulletplus_firmware | 1.3.0 | — |
| microhardcorp dragon-lte_firmware | 1.1.0 | — |
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