CVE-2018-25147
Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass
- State
- Published
- Severity
- 9.3 Critical
- Published
- Dec 24, 2025
- Updated
- Jul 28, 2026
- Reserved
- Dec 24, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-1392 Use of Default Credentials
Affected Products
| Product | Versions |
|---|---|
Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Default CredentialsMicrohard Systems |
|
References
- ExploitDB-45040exploit
- Microhard Systems Product Homepageproduct
- Zero Science Lab Disclosure (ZSL-2018-5480)third-party-advisory
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