CVE-2025-32409

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-07 · updated 2026-06-17
Weakness: CWE-23

Description

Ratta SuperNote A6 X2 Nomad before December 2024 allows remote code execution because an arbitrary firmware image (signed with debug keys) can be sent to TCP port 60002, and placed into the correct image-update location as a consequence of both directory traversal and unintended handling of concurrency.

Affected products

Ratta SuperNote A6 X2 Nomad: before December 2024 — fixed in December 2024

How to fix

Upgrade to a fixed version: Ratta SuperNote A6 X2 Nomad December 2024. Check the vendor advisory for mitigations.

References

https://www.prizmlabs.io/post/remote-rootkits-uncovering-a-0-click-rce-in-the-supernote-nomad-e-ink-tablet
https://www.prizmlabs.io/post/remote-rootkits-uncovering-a-0-click-rce-in-the-supernote-nomad-e-ink-tablet

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