Danfoss AK-SM800A External Control of System or Configuration Setting (CVE-2025-41452)

medium Tenable OT Security Plugin ID 506213

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Post-authenticated external control of system web interface configuration setting vulnerability in Danfoss AK-SM8xxA Series prior to 4.3.1, which could allow for a denial of service attack induced by improper handling of exceptional conditions.

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.

Danfoss created release R4.2 to address CVE-2025-41450 and release R4.3.1 to address CVE-2025-41451 and CVE-2025-41452.
Users can obtain and install the latest version by following the AK-SM 800A Software Upgrade Process.
For more information, see the Danfoss security advisories.

Plugin Details

Severity: Medium

ID: 506213

File Name: tenable_ot_danfoss_CVE-2025-41452.nasl

Version: 1.1

Type: Remote

Family: Tenable.ot

Published: 10/13/2026

Updated: 10/13/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

CVSS v3

Risk Factor: Medium

Base Score: 5.4

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

CVSS v4

Risk Factor: Medium

Base Score: 6.8

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Vulnerability Information

CPE: cpe:/o:danfoss:ak-sm_800a_firmware

Required KB Items: Tenable.ot/Danfoss

Patch Publication Date: 8/1/2025

Vulnerability Publication Date: 8/1/2025

Reference Information

CVE: CVE-2025-41452

CWE: 15

ICSA: 25-140-03

Detections

Analytics