CVE-2018-25143Microhard Systems IPn4G 1.1.0 Backdoor Jailbreak via Microhard Sh Service
Updated under an hour ago ()
Does this affect you?
It affects Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Backdoor Jailbreak and 11 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Dec 24, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microhard Systems Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Backdoor Jailbreak microhard_systems:3g_4g_cellular_ethernet_and_serial_gateway_backdoor_jailbreak (from the name) | IPn4G 1.1.0 build 1098 | CNA record |
microhardcorp ipn4g_firmware microhardcorp:ipn4g_firmware | 1.1.0 | NVD |
microhardcorp ipn3gb_firmware microhardcorp:ipn3gb_firmware | 2.2.0 | NVD |
microhardcorp ipn4gb_firmware microhardcorp:ipn4gb_firmware | 1.1.6; 1.1.0; 1.1.0 | NVD |
microhardcorp bullet-3g_firmware microhardcorp:bullet-3g_firmware | 1.2.0; 1.2.0 | NVD |
microhardcorp vip4gb_firmware microhardcorp:vip4gb_firmware | 1.1.6; 1.1.6 | NVD |
microhardcorp vip4gb_wifi-n_firmware microhardcorp:vip4gb_wifi-n_firmware | 1.1.6 | NVD |
microhardcorp bullet-lte_firmware microhardcorp:bullet-lte_firmware | 1.2.0 | NVD |
microhardcorp ipn3gii_firmware microhardcorp:ipn3gii_firmware | 1.2.0 | NVD |
microhardcorp ipn4gii_firmware microhardcorp:ipn4gii_firmware | 1.2.0 | NVD |
microhardcorp bulletplus_firmware microhardcorp:bulletplus_firmware | 1.3.0 | NVD |
microhardcorp dragon-lte_firmware microhardcorp:dragon-lte_firmware | 1.1.0 | NVD |
References
- https://www.exploit-db.com/exploits/45041exploit
- http://www.microhardcorp.comproduct
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.phpthird-party-advisory, exploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.