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Multiple Remote Code Execution Vulnerabilities in Danfoss SM-800A

First seen 11 Nov 2026, 23:43 UTC • • •Early signal · one source
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ThreatCluster •November 11, 2026 at 23:44 UTC
  • •Danfoss SM-800A controllers have multiple unpatched remote code execution vulnerabilities.
  • •Basic security features like stack canaries and PIE are not enabled, raising serious security concerns.
  • •Controllers are exposed to the public internet, increasing the risk of exploitation.

Danfoss has been reported to have multiple remote code execution vulnerabilities in its SM-800A controllers, which are exposed to the public internet. The vulnerabilities stem from basic security features not being enabled, such as stack canaries and Position Independent Executable (PIE), which are for memory corruption defenses. These flaws raise concerns about the adequacy of the certifications the product line holds. The lack of these basic security measures could lead to significant risks for users, especially supermarket chains that rely on remote maintenance. The exact CVEs related to these vulnerabilities have not been disclosed yet, but the implications of systems could be severe. Danfoss has not yet commented on how they plan to address these vulnerabilities.

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Timeline

2026-11-11
Vulnerabilities disclosed
Multiple remote code execution vulnerabilities in Danfoss SM-800A controllers were reported, highlighting security oversights.
News.Ycombinator

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Common questions

What are the specific vulnerabilities?
The specific CVEs have not been disclosed yet, but they involve remote code execution flaws.
Who is affected by these vulnerabilities?
Users of Danfoss SM-800A controllers, particularly in industries requiring remote maintenance, are affected.
What should users do in response?
Users should monitor for updates from Danfoss and consider restricting internet access to these controllers until a patch is released.