CVE-2018-25144

HIGH

Microhard Systems IPn4G 1.1.0 - Auth Bypass

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25144. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit leverages an undocumented file editor script in Microhard Systems' cellular gateways to perform arbitrary file read, modification, and deletion via unsanitized GET/POST parameters. It demonstrates reading /etc/passwd, editing files (e.g., htpasswd), and deleting files through crafted requests.

Description

Microhard Systems IPn4G 1.1.0 contains an authentication bypass vulnerability in the hidden system-editor.sh script that allows authenticated attackers to read, modify, or delete arbitrary files. Attackers can exploit unsanitized 'path', 'savefile', 'edit', and 'delfile' parameters to perform unauthorized file system modifications through GET and POST requests.

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · textwebappshardware
https://www.exploit-db.com/exploits/45037

This exploit leverages an undocumented file editor script in Microhard Systems' cellular gateways to perform arbitrary file read, modification, and deletion via unsanitized GET/POST parameters. It demonstrates reading /etc/passwd, editing files (e.g., htpasswd), and deleting files through crafted requests.

Classification
Working Poc 95%
Attack Type
Info Leak | Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Microhard Systems IPn4Gb, IPn3Gb, VIP4Gb, Bullet-3G, Dragon-LTE (multiple versions)
Auth required
Prerequisites: Authenticated access to the web interface · Network access to the target device
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory third-party-advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5485.php

Scores

CVSS v3 8.4
EPSS 0.0042
EPSS Percentile 33.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-22
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