CVE-2018-25143
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 4.0
- 8.7 HIGHCVSS:4.0/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/M
- EPSS
- 0.60% probability · 49th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- microhardcorp/ipn4g firmware · microhardcorp/ipn3gb firmware · microhardcorp/ipn4gb firmware · microhardcorp/bullet-3g firmware · microhardcorp/vip4gb firmware · microhardcorp/vip4gb wifi-n firmware · microhardcorp/bullet-lte firmware · microhardcorp/ipn3gii firmware · microhardcorp/ipn4gii firmware · microhardcorp/bulletplus firmware · microhardcorp/dragon-lte firmware
- Source
- disclosure@vulncheck.com
EPSS 0.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.microhardcorp.comProduct
- https://www.exploit-db.com/exploits/45041Exploit
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.phpExploit, Third Party Advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5486.phpExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.