CVE-2018-25147

HIGH

Microhard Systems IPn4G 1.1.0 - Privilege Escalation

Title source: llm
STIX 2.1

Description

Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gateway operations. Attackers can exploit these default credentials to gain unauthorized root-level access to the device by logging in with predefined username and password combinations.

Exploits (1)

exploitdb WRITEUP
by LiquidWorm · textremotehardware
https://www.exploit-db.com/exploits/45040

Scores

CVSS v3 7.5
EPSS 0.0007
EPSS Percentile 21.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-1392
Status published
Products (12)
microhardcorp/bullet-3g_firmware 1.2.0 reva_build1032 (2 CPE variants)
microhardcorp/bullet-lte_firmware 1.2.0 build1078
microhardcorp/bulletplus_firmware 1.3.0 build1036
microhardcorp/dragon-lte_firmware 1.1.0 build1036
microhardcorp/ipn3gb_firmware 2.2.0 build2160
microhardcorp/ipn3gii_firmware 1.2.0 build1076
microhardcorp/ipn4g_firmware 1.1.0 build1098
microhardcorp/ipn4gb_firmware 1.1.6 build1184-14
microhardcorp/ipn4gb_firmware 1.1.0 rev2_build1090-2 (2 CPE variants)
microhardcorp/ipn4gii_firmware 1.2.0 build1078
... and 2 more
Published Dec 24, 2025
Tracked Since Feb 18, 2026