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High · 7.5 CVE-2018-25147 EUVD-2025-205327GHSA-r64v-2m5c-fmx7

Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass

Published Dec 24, 2025 · Updated Jul 28, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Microhard Systems Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Default Credentials IPn4G 1.1.0 build 1098 —

References