CVE-2018-25144

Microhard Systems IPn4G 1.1.0 Arbitrary File Access via Undocumented System Editor

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.

Affected

Microhard Systems · Microhard Systems 3G/4G Cellular Ethernet and Serial Gateway Arbitrary File Attacks

CVSS v4.0 VULNCHECK

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VULNCHECK

8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.48% chance of exploitation in the next 30 days, 40th percentile

Published

2025-12-24

Updated

2026-02-02

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/45037

Security advisories

• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5485.php
• http://www.microhardcorp.com

References

• CVE Record
• NVD entry