High severity · published Dec 24, 2025
CVE-2018-25146
Microhard Systems IPn4G 1.1.0 Service Control Denial of Service
8.1
CVSS
0.5%
EPSS
No
On KEV
Description
Microhard Systems IPn4G 1.1.0 contains an undocumented vulnerability that allows authenticated attackers to list and manipulate running system processes. Attackers can send arbitrary signals to kill background processes and system services through a hidden feature, potentially causing service disruption and requiring device restart.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Service Control DoS · Microhard Systems
IPn4G 1.1.0 build 1098 · source: vendor
BF
Bullet-3g Firmware · Microhardcorp
1.2.0; 1.2.0 · source: NVD
BF
Bullet-lte Firmware · Microhardcorp
1.2.0 · source: NVD
BF
Bulletplus Firmware · Microhardcorp
1.3.0 · source: NVD
DF
Dragon-lte Firmware · Microhardcorp
1.1.0 · source: NVD
IF
Ipn3gb Firmware · Microhardcorp
2.2.0 · source: NVD
IF
Ipn3gii Firmware · Microhardcorp
1.2.0 · source: NVD
IF
Ipn4g Firmware · Microhardcorp
1.1.0 · source: NVD
IF
Ipn4gb Firmware · Microhardcorp
1.1.6; 1.1.0; 1.1.0 · source: NVD
IF
Ipn4gii Firmware · Microhardcorp
1.2.0 · source: NVD
VF
Vip4gb Firmware · Microhardcorp
1.1.6; 1.1.6 · source: NVD
VW
Vip4gb Wifi-n Firmware · Microhardcorp
1.1.6 · source: NVD
Affected product
MS
Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Service Control DoS
Microhard Systems