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CriticalPublic exploit

Command Injection in Gardyn Home Kit

IdentifiersCVE-2025-29631CWE-78· Improper Neutralization of Special…

CVE-2025-29631 is a command injection vulnerability affecting Gardyn Home Kit firmware before master.619, the Home Kit Mobile Application before 2.11.0, and the Home Kit Cloud API before 2.12.2026. According to the provided content, vulnerable methods fail to sanitize attacker-controlled input before passing it to the operating system for execution. This unsafe handling of input can allow crafted data to be interpreted as operating system commands, resulting in arbitrary command execution on a target Home Kit system.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation may allow an attacker to execute arbitrary operating system commands on the target Gardyn Home Kit. Depending on the privileges of the vulnerable component, this can lead to full remote code execution on the device, unauthorized manipulation of device behavior, access to sensitive data processed or stored by the system, and potential follow-on actions such as persistence or lateral movement within the local environment.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure of the Home Kit Cloud API and related management interfaces to only trusted users and networks, restrict or disable any functionality that passes user-controlled input to system-level command execution paths, and monitor for anomalous command execution or unexpected process creation on affected Home Kit systems. Network segmentation and least-privilege execution for affected services can reduce impact if exploitation occurs.

Remediation

Patch, then assume compromise.

Upgrade affected components to fixed versions: Gardyn Home Kit firmware master.619 or later, Home Kit Mobile Application 2.11.0 or later, and Home Kit Cloud API 2.12.2026 or later. The underlying issue should be remediated by ensuring all input reaching OS command execution paths is properly sanitized or, preferably, by eliminating shell invocation and using safe parameterized APIs or allowlisted command handling.
PUBLIC EXPLOITS

Exploits

No valid public exploits. Mallory filtered out 6 candidates as fakes, detection scripts, or README-only repos.

VALID 0 / 6 TOTALView more in app

All candidate exploits were filtered out by Mallory's validation.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GardynGardyn 4hardware

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

4 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2025-29631
NVD
nvd.nist.gov/vuln/detail/CVE-2025-29631
MITRE CWE · CWE-78
Improper Neutralization of Special Elements…
github.com
github.com/mselbrede/gardyn/blob/main/CVE-2025-29628_CVE-2025-29631.md
mygardyn.com
mygardyn.com/blog/security-update
cisa.gov
cisa.gov/news-events/ics-advisories/icsa-26-055-03