> For the complete documentation index, see [llms.txt](https://docs.encedo.com/hem-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.encedo.com/hem-api/security/advisory.md).

# Advisory

<table><thead><tr><th width="91.5">ID </th><th width="126">Report date</th><th width="95">Impact</th><th width="149.5">Affected -> Fix </th><th>Summary</th></tr></thead><tbody><tr><td>ECVE-13</td><td>13 Jan 2026</td><td>Medium</td><td>FW 1.2.1 -> 1.2.2</td><td>A denial-of-service (DoS) vulnerability caused by improper handling of the <code>Content-Length</code> and <code>Content-Type</code> headers, which could trigger <code>malloc()</code> failures and drive the device into a fault state (10h), resulting in DoS.</td></tr></tbody></table>