CVE-2018-25143
Microhard Systems IPn4G 1.1.0 Backdoor Jailbreak via Microhard Sh Service
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.
INFO
Published Date :
Dec. 24, 2025, 8:15 p.m.
Last Modified :
Jan. 26, 2026, 7:52 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2018-25143
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Disable the default 'msshc' SSH user.
- Modify the NcFTP configuration.
- Remove the custom 'ping' command.
- Restrict SSH shell access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-25143.
| URL | Resource |
|---|---|
| http://www.microhardcorp.com | Product |
| https://www.exploit-db.com/exploits/45041 | Exploit |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php | Exploit Third Party Advisory |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-25143 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-25143
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-25143 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-25143 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 26, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:ipn4g_firmware:1.1.0:build1098:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:ipn4g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:ipn3gb_firmware:2.2.0:build2160:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:ipn3gb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.6:build1184-14:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:ipn4gb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.0:rev2_build1090-2:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:ipn4gb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:ipn4gb_firmware:1.1.0:rev2_build1086:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:ipn4gb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:bullet-3g_firmware:1.2.0:reva_build1032:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:bullet-3g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:vip4gb_firmware:1.1.6:build_1204:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:vip4gb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:vip4gb_firmware:1.1.6:rev3_build1184-14:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:vip4gb:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:vip4gb_wifi-n_firmware:1.1.6:rev2_build1196:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:vip4gb_wifi-n:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:bullet-3g_firmware:1.2.0:build1076:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:bullet-3g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:bullet-lte_firmware:1.2.0:build1078:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:bullet-lte:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:ipn3gii_firmware:1.2.0:build1076:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:ipn3gii:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:ipn4gii_firmware:1.2.0:build1078:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:ipn4gii:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:bulletplus_firmware:1.3.0:build1036:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:bulletplus:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:microhardcorp:dragon-lte_firmware:1.1.0:build1036:*:*:*:*:*:* OR cpe:2.3:h:microhardcorp:dragon-lte:-:*:*:*:*:*:*:* Added Reference Type VulnCheck: http://www.microhardcorp.com Types: Product Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/45041 Types: Exploit Added Reference Type CISA-ADP: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php Types: Exploit, Third Party Advisory Added Reference Type VulnCheck: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php Types: Exploit, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 24, 2025
Action Type Old Value New Value Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php -
New CVE Received by [email protected]
Dec. 24, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-78 Added Reference http://www.microhardcorp.com Added Reference https://www.exploit-db.com/exploits/45041 Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.php