Microhard 3G/4G Cellular Ethernet and Serial Gateway Use of Default Credentials (ZSL-2018-5480)

high Tenable OT Security Plugin ID 503148

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The devices utilizes hard-coded credentials within its Linux distribution image.
These sets of credentials are never exposed to the end-user and cannot be changed through any normal operation of the gateway.
Another vulnerability could allow an authenticated attacker to gain root access. The vulnerability is due to default credentials. An attacker could exploit this vulnerability by logging in using the default credentials.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vuln advisory.

See Also

https://www.exploit-db.com/exploits/45040

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.php

Plugin Details

Severity: High

ID: 503148

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 3/24/2025

Updated: 3/24/2025

Supported Sensors: Tenable OT Security

Risk Information

CVSS Score Rationale: Tenable score for unsupported products.

CVSS v3

Risk Factor: High

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:microhardcorp:bullet-lte_firmware, cpe:/o:microhardcorp:bullet-3g_firmware, cpe:/o:microhardcorp:ipn4ii_firmware, cpe:/o:microhardcorp:vip4gb_firmware, cpe:/o:microhardcorp:ipn3gii_firmware, cpe:/o:microhardcorp:bulletplus_firmware, cpe:/o:microhardcorp:vip4g-wifi-n_firmware, cpe:/o:microhardcorp:ipn3gb_firmware, cpe:/o:microhardcorp:dragon-lte_firmware, cpe:/o:microhardcorp:ipn4g_firmware, cpe:/o:microhardcorp:vip4g_firmware, cpe:/o:microhardcorp:ipn4gb_firmware

Required KB Items: Tenable.ot/Microhard

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/17/2018

Reference Information

CWE: 1392