CVE-2018-25147
Microhard Systems IPn4G 1.1.0 contains hardcoded default credentials that cannot be changed through normal gateway operations.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.39% probability · 33th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1392
- Affected
- microhardcorp/ipn4g firmware · microhardcorp/ipn3gb firmware · microhardcorp/ipn4gb firmware · microhardcorp/bullet-3g firmware · microhardcorp/vip4gb firmware · microhardcorp/vip4gb wifi-n firmware · microhardcorp/bullet-lte firmware · microhardcorp/ipn3gii firmware · microhardcorp/ipn4gii firmware · microhardcorp/bulletplus firmware · microhardcorp/dragon-lte firmware
- Source
- disclosure@vulncheck.com
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.microhardcorp.comProduct
- https://www.exploit-db.com/exploits/45040Exploit
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.phpExploit, Third Party Advisory
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5480.phpExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.