Devices / Makers & open firmware / WAMR WebAssembly micro runtime

WAMR WebAssembly micro runtime firmware

Name: WAMR WebAssembly micro runtime firmware
Author: WAMR

current

The WAMR WebAssembly micro runtime is tracked under makers & open firmware. Its latest firmware, 2.4.5, shipped on Jun 29, 2026.

Latest firmware: 2.4.5
Released: Jun 29, 2026
Category: Makers & open firmware
Last checked: Sep 24, 2026

How to update the WAMR WebAssembly micro runtime

Open update page ↗

Read the release notes first — self-hosted projects break config and schemas between versions more often than appliances do.
Docker: pull the new image tag and recreate the container (`docker compose pull && docker compose up -d`).
Package or bare metal: update through your distribution's package manager, or replace the binary from the releases page.
Back up the config and database directory first. For most projects a downgrade is not supported once the schema has migrated.

Always download firmware from the manufacturer or project itself. Firmwarely links out; it never hosts firmware.

What changed

Breaking Changes: New Features: Bug Fixes: CVE-2026-54914. Fix a potential heap Buffer Overflow in WASI poll_oneoff. CVE-2026-54913. Fix a potential partial uninitialized memory read in load_init_expr. CVE-2026-54912. Fix a potential heap buffer overflow in fast interpreter. Enhancements: Others:

Manufacturer release notes ↗

Version history

2.4.5

Jun 29, 2026

FAQ

What is the latest firmware for the WAMR WebAssembly micro runtime?

Version 2.4.5, released Jun 29, 2026. This page is refreshed every hour from the manufacturer's release page.

How do I update the WAMR WebAssembly micro runtime?

See the step-by-step above. Follow the project's release page for the flashing or OTA procedure. Many maker devices update from a web installer or the project's desktop app.

How does Firmwarely know when there's a new version?

Every hour we read the manufacturer's official release page for the WAMR WebAssembly micro runtime and record the version, date and changelog. Subscribers watching this device get an email when it changes: the next morning on Pro, in the Monday roundup on the free plan.

Is this an official WAMR page?

No. Firmwarely is independent. Device and brand names belong to their manufacturers; always download firmware from the official source.