Siemens Ruggedcom ROX Use After Free (CVE-2022-41858)

high Tenable OT Security Plugin ID 504940

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.

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: 504940

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 1/9/2026

Updated: 1/9/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v3

Risk Factor: High

Base Score: 7.1

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

Vulnerability Information

CPE: cpe:/o:siemens:ruggedcom_rox_rx1500_firmware, cpe:/o:siemens:ruggedcom_rox_rx1512_firmware, cpe:/o:siemens:ruggedcom_rox_mx5000_firmware, cpe:/o:siemens:ruggedcom_rox_mx5000re_firmware, cpe:/o:siemens:ruggedcom_rox_rx1536_firmware, cpe:/o:siemens:ruggedcom_rox_rx1524_firmware, cpe:/o:siemens:ruggedcom_rox_rx1510_firmware, cpe:/o:siemens:ruggedcom_rox_rx1511_firmware, cpe:/o:siemens:ruggedcom_rox_rx1400_firmware, cpe:/o:siemens:ruggedcom_rox_rx5000_firmware, cpe:/o:siemens:ruggedcom_rox_rx1501_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 12/9/2025

Vulnerability Publication Date: 12/9/2025

Reference Information

CVE: CVE-2022-41858

CWE: 416

Detections

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