Siemens SCALANCE, Ruggedcom ROX Use After Free (CVE-2022-1734)

high Tenable OT Security Plugin ID 504931

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A flaw in Linux Kernel found in nfcmrvl_nci_unregister_dev() in drivers/nfc/nfcmrvl/main.c can lead to use after free both read or write when non synchronized between cleanup routine and firmware download routine.

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

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

- Update all of the affected products to v7.2 or later version or the software.

As a general security measure, Siemens strongly recommends users protect network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends users configure the environment according to Siemens' operational guidelines for Industrial Security, and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found on the Siemens page for Industrial Security.

For further inquiries on security vulnerabilities in Siemens products and solutions, contact the Siemens ProductCERT.

For more information, see the associated Siemens security advisory SSA-419740 in HTML and CSAF.

Plugin Details

Severity: High

ID: 504931

File Name: tenable_ot_siemens_CVE-2022-1734.nasl

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 1/9/2026

Updated: 2/14/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:scalance_m812-1_adsl-router_%28annex_a%29_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_rx1501_firmware, cpe:/o:siemens:scalance_m876-4_%28eu%29_firmware:7.2, cpe:/o:siemens:scalance_s615_firmware:7.2, cpe:/o:siemens:scalance_mum856-1_%28row%29_firmware:7.2, cpe:/o:siemens:scalance_m804pb_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_rx1400_firmware, cpe:/o:siemens:ruggedcom_rox_rx1500_firmware, cpe:/o:siemens:scalance_m874-3_firmware:7.2, cpe:/o:siemens:scalance_m876-4_%28nam%29_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_rx1512_firmware, cpe:/o:siemens:scalance_m816-1_adsl-router_%28annex_b%29_firmware:7.2, cpe:/o:siemens:scalance_m876-4_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_rx1536_firmware, cpe:/o:siemens:scalance_s615_eec_firmware:7.2, cpe:/o:siemens:scalance_m876-3_%28rok%29_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_rx1524_firmware, cpe:/o:siemens:ruggedcom_rox_rx1511_firmware, cpe:/o:siemens:scalance_mum853-1_%28eu%29_firmware:7.2, cpe:/o:siemens:scalance_m874-2_firmware:7.2, cpe:/o:siemens:scalance_mum856-1_%28eu%29_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_mx5000_firmware, cpe:/o:siemens:ruggedcom_rox_rx5000_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_nam_firmware:7.2, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_eu_firmware:7.2, cpe:/o:siemens:scalance_m812-1_adsl-router_%28annex_b%29_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_mx5000re_firmware, cpe:/o:siemens:scalance_m816-1_adsl-router_%28annex_a%29_firmware:7.2, cpe:/o:siemens:scalance_m876-3_%28evdo%29_firmware:7.2, cpe:/o:siemens:scalance_m826-2_shdsl-router_firmware:7.2, cpe:/o:siemens:ruggedcom_rox_rx1510_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 3/14/2023

Vulnerability Publication Date: 3/14/2023

Reference Information

CVE: CVE-2022-1734

CWE: 416

ICSA: 23-075-01

Detections

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