CVE-2025-15574 Insecure Credential Generation for Solax Power Pocket WiFi models MQTT Cloud Connection

Medium 6.5 Published Updated

Attackers can derive MQTT passwords from visible registration numbers to impersonate devices and access cloud data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-15574?

CVE-2025-15574 is a medium-severity vulnerability in SolaX Power Pocket WiFi 3.0, published on 12 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

When connecting to the Solax Cloud MQTT server the username is the "registration number", which is the 10 character string printed on the SolaX Power Pocket device / the QR code on the device. The password is derived from the "registration number" using a proprietary XOR/transposition algorithm. Attackers with the knowledge of the registration numbers can connect to the MQTT server and impersonate the dongle / inverters.

Weakness: CWE-330

Which versions are affected by CVE-2025-15574?

How do I fix CVE-2025-15574?

No fix has been published for CVE-2025-15574 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-15574 being exploited?

There is no known exploitation of CVE-2025-15574 in the wild and no public exploit code.

Sources

Also known as GHSA-rmgp-99fm-wv32.

Is CVE-2025-15574 in your software?

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