Generex UPS Adapter CS141 Authenticated Remote Code Execution (CVE-2022-42457)

high Tenable OT Security Plugin ID 503965

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Generex CS141 through 2.10 allows remote command execution by administrators via a web interface that reaches run_update in /usr/bin/gxserve-update.sh (e.g., command execution can occur via a reverse shell installed by install.sh).

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 503965

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 11/13/2025

Updated: 11/13/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v3

Risk Factor: High

Base Score: 7.2

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:generex:cs141_firmware

Required KB Items: Tenable.ot/Generex

Exploit Ease: No known exploits are available

Patch Publication Date: 10/6/2022

Vulnerability Publication Date: 10/6/2022

Reference Information

CVE: CVE-2022-42457

Detections

Analytics