Siemens RUGGEDCOM RST2428P Out-of-bounds Write (CVE-2026-1484)

medium Tenable OT Security Plugin ID 505390

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries.
This can cause memory writes outside the allocated buffer.
Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.

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: Medium

ID: 505390

File Name: tenable_ot_siemens_CVE-2026-1484.nasl

Version: 1.1

Type: Remote

Family: Tenable.ot

Published: 6/18/2026

Updated: 6/18/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.3

CVSS v3

Risk Factor: Medium

Base Score: 4.2

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

Vulnerability Information

CPE: cpe:/o:siemens:ruggedcom_rst2428p_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 6/2/2026

Vulnerability Publication Date: 1/27/2026

Reference Information

CVE: CVE-2026-1484

CWE: 787

Detections

Analytics