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Danfoss AK-SM 8xxA Series

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1. EXECUTIVE SUMMARY

  • CVSS v4 7.3
  • ATTENTION: Exploitable remotely
  • Vendor: Danfoss
  • Equipment: AK-SM 8xxA Series
  • Vulnerability: Improper Authentication

2. RISK EVALUATION

Successful exploitation of this vulnerability could enable a remote attacker to bypass authentication and execute arbitrary code remotely.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of AK-SM 800A system manager are affected:

  • AK-SM 8xxA Series: Versions prior to R4.2

3.2 VULNERABILITY OVERVIEW

3.2.1 IMPROPER AUTHENTICATION CWE-287

An unauthorized access vulnerability, caused by datetime-based password generation, could potentially result in an authentication bypass.

CVE-2025-41450 has been assigned to this vulnerability. A CVSS v3.1 base score of 8.2 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:H).

A CVSS v4 score has also been calculated for CVE-2025-41450. A base score of 7.3 has been calculated; the CVSS vector string is (CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Denmark

3.4 RESEARCHER

Tomer Goldschmidt of Claroty Team82 reported this vulnerability to CISA.

4. MITIGATIONS

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