High severity · published Dec 24, 2025
CVE-2018-25144
Microhard Systems IPn4G 1.1.0 Arbitrary File Access via Undocumented System Editor
8.4
CVSS
0.5%
EPSS
No
On KEV
Description
Microhard Systems IPn4G 1.1.0 contains an authentication bypass vulnerability in the hidden system-editor.sh script that allows authenticated attackers to read, modify, or delete arbitrary files. Attackers can exploit unsanitized 'path', 'savefile', 'edit', and 'delfile' parameters to perform unauthorized file system modifications through GET and POST requests.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% 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 Arbitrary File Attacks · 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 Arbitrary File Attacks
Microhard Systems