A newly updated advisory from the Cybersecurity and Infrastructure Security Agency (CISA) has brought to light serious security vulnerabilities affecting Gardyn Home Kit systems. Notably, these flaws carry a high CVSS score of 9.3, which highlights their critical severity. As a result, threat actors could potentially exploit these weaknesses to remotely hijack smart gardening devices.
According to the April 2026 alert, attackers can successfully exploit these vulnerabilities without authentication. Consequently, they can take full control of edge devices and gain unauthorized access to sensitive user data stored within cloud environments. Moreover, once compromised, these devices may act as entry points, allowing attackers to move laterally across the Gardyn cloud ecosystem.
In addition, the report emphasizes that a single compromised device could expose other connected systems within the same network. This significantly increases the potential attack surface, making the issue even more concerning. Security researcher Michael Groberman initially identified and responsibly disclosed these vulnerabilities to CISA.
Severe Vulnerability Insights
Furthermore, the advisory—labeled as Update A—introduces several newly identified flaws that expand upon an earlier February disclosure. These vulnerabilities include CVE-2025-1242, CVE-2025-10681, CVE-2026-28766, and CVE-2026-32662. They impact multiple components, such as the Gardyn Mobile Application (versions before 2.11.0) and the Gardyn Cloud API (versions before 2.12.2026). Additionally, both Gardyn Home Firmware and Gardyn Studio Firmware are affected.
From a technical standpoint, these flaws arise due to fundamental security weaknesses in authentication and data handling processes. For instance, systems fail to properly neutralize special elements, leading to OS command injection risks. At the same time, sensitive data is transmitted in cleartext, increasing exposure. The use of hard-coded credentials and missing authentication checks further exacerbates the problem.
Moreover, attackers can bypass authorization by manipulating user-controlled keys, while active debug code remains exposed in production environments. Taken together, these vulnerabilities create a highly exploitable scenario, enabling attackers to gain control without prior access credentials.
Despite these alarming findings, CISA confirms that there is currently no evidence of active exploitation in the wild.
Recommended Security Measures
Given the severity of these vulnerabilities, especially within the Food and Agriculture sector, CISA strongly recommends immediate action. Users should promptly update the Gardyn Mobile Application to version 2.11.0 or later. Additionally, organizations must reduce network exposure by ensuring devices are not directly accessible from the internet.
Furthermore, implementing strong firewall protections and isolating control systems can significantly reduce risk. When remote access is necessary, users should rely on secure solutions such as updated Virtual Private Networks (VPNs).
Finally, device owners should conduct comprehensive risk assessments before making changes. If any suspicious activity arises, they should follow internal incident response protocols and report findings directly to CISA.
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