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CVE-2018-25147

Microhard Systems IPn4G 1.1.0 Default Credentials Authentication Bypass

CVSS 9.3 CRITICALEPSS 0.3%CWE-1392
Vexday Risk Score
28Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 9.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
24 Dec 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
Microhard Systems · Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Default Credentials

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References
https://www.exploit-db.com/exploits/45040https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.phphttp://www.microhardcorp.com