CVE-2026-121686 CVE-2026-121686

Critical 9.8 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-121686?

CVE-2026-121686 is a critical vulnerability in FrodoBots EarthRover Mini+ firmware, published on 9 Nov 2026.

Official description

FrodoBots EarthRover Mini+ firmware (version 6.2.4_6.2.5_0.614.0) is vulnerable to unauthenticated, remote code execution via MQTT. A firmware method accepts arbitrary shell commands delivered via Amazon Web Services Internet of Things Message Queuing Telemetry Transport (AWS IoT MQTT) messages and executes them as root. Access is gated only by shared Internet of Things (IoT) credentials, with no per‑device authentication, enabling remote code execution as root across the fleet.

Weakness: CWE-78

Which versions are affected by CVE-2026-121686?

How do I fix CVE-2026-121686?

No fix has been published for CVE-2026-121686 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-121686 being exploited?

There is no known exploitation of CVE-2026-121686 in the wild and no public exploit code.

Sources

Also known as GHSA-cp28-vgj5-hqv4.

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