CVE-2018-14533

HIGH

Inteno IOPSYS - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-14533. PoCs published by neonsea.

AI-analyzed exploit summary This exploit leverages CVE-2018-14533 to authenticate via UBUS and write a malicious Samba configuration file to the target device. It then drops an SSH key into the authorized_keys file, allowing root access via SSH.

Description

read_tmp and write_tmp in Inteno IOPSYS allow attackers to gain privileges after writing to /tmp/etc/smb.conf because /var is a symlink to /tmp.

Exploits (1)

exploitdb WORKING POC
by neonsea · pythonlocallinux
https://www.exploit-db.com/exploits/45089

This exploit leverages CVE-2018-14533 to authenticate via UBUS and write a malicious Samba configuration file to the target device. It then drops an SSH key into the authorized_keys file, allowing root access via SSH.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Inteno DG300 routers (and possibly other models) with vulnerable UBUS interface
Auth required
Prerequisites: Network access to the target device · Valid credentials for UBUS authentication
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45089/

Scores

CVSS v3 7.8
EPSS 0.0149
EPSS Percentile 70.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
intenogroup/iopsys_firmware
Published Jul 31, 2018
Tracked Since Feb 18, 2026