Improper Authentication in Danfoss AK-SM 8xxA Series

1) Improper Authentication

EUVDB-ID: #VU109616

Risk: Medium

CVSSv4.0: 1.4 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:L/SA:H/E:U/U:Green]

CVE-ID: CVE-2025-41450

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to datetime-based password generation. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

AK-SM 8xxA Series: before R4.2

CPE2.3

• cpe:2.3:h:danfoss:ak-sm_8xxa_series:*:*:*:*:*:*:*:*

External links

https://www.danfoss.com/en/service-and-support/coordinated-vulnerability-disclosure/danfoss-security-advisories/dsa-2025-03-01/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-140-03

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.