Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Handling of Invalid Use of Special Elements (CVE-2025-61984)

low Tenable OT Security Plugin ID 505703

Synopsis

The remote OT asset is affected by a vulnerability.

Description

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: Low

ID: 505703

File Name: tenable_ot_siemens_CVE-2025-61984.nasl

Version: 1.2

Type: Remote

Family: Tenable.ot

Published: 7/27/2026

Updated: 7/28/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.1

Percentile: 53.65

CVSS v3

Risk Factor: Low

Base Score: 3.6

Temporal Score: 3.3

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

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

Vulnerability Information

CPE: cpe:/o:siemens:simatic_s7-1500_cpu_firmware:3.1.6, cpe:/o:siemens:siplus_s7-1500_cpu_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/14/2026

Vulnerability Publication Date: 10/6/2025

Reference Information

CVE: CVE-2025-61984

CWE: 159

Detections

Analytics